Free Printable 03/29 6wks Review

1.

(9A)

What is the domain?

a)

All real numbers

b)

All real numbers greater than 0

c)

All real numbers less than 0

d)

All real numbers greater than or equal to 0

2.

(6C)

What is the equation of this graph?

a)

f(x) = (x -5)² + 1

b)

f(x) = (x - 1)² - 5

c)

f(x) = (x + 1)² - 5

d)

f(x) = (x + 5)² +1

3.

(8A)

The area of a notebook is given by the equation L²- 5L = 6 where l represents the length of the notebook in centimeters. What is the length of the notebook?

a)

6 cm

b)

-6 cm

c)

1 cm

d)

-1 cm

4.

(6B)

$y=4(x+2)^2-8$

Which of the following functions is equivalent?

a)

$y=4x^2+16x+8$

b)

$y=4x^2+16x+16$

c)

$y=16x^2+64x-8$

d)

$y=16x^2+256x+8$

5.

(9C)

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

a)

70(2)³⁵

b)

70(2)⁵

c)

2(70)⁵

d)

5(70)²

6.

(9A)

What would be the domain and range for this exponential graph?

a)

Domain: All Real Numbers

Range: All Real Numbers Greater Than 0

b)

Domain: All Real Numbers

Range: All Real Numbers

c)

Domain: All Real Numbers

Range: All Real Numbers Greater Than 3

d)

Domain: All Real Numbers

Range: All Real Numbers Less Than 3

7.

(8A)

What are the zeros of the function?

Menu - 3, 3, 1

a)

x = 4, -1

b)

(-4, 1)

c)

x = -4, 1

d)

(4, 0) (-1, 0)

8.

(6B)
$y=-5(x+2)^2-10$
Which of the following functions is equivalent?

a)

y = -5x²- 20x - 30

b)

y = -5x²- 4x - 10

c)

y = 25x² + 100x + 90

d)

y = 25x² - 10x - 30

9.

(9B)

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

a)

300

b)

1.16

c)

.16

d)

x

10.

(9A)

What is the range of the function shown below?

a)

0 < y < 12

b)

-2 < y < 5

c)

y > 0

d)

All real numbers

11.

(8A)

Solve the Quadratic. What are the 2 solutions?

Menu - 3, 3, 1

a)

1.5, - 1.5

b)

1.5

c)

-1, 1

d)

No real solution

12.

(9C)

Suppose a culture of bacteria begins with 2000 cells and dies by 25% each year. Write an equation that represents this situation.

a)

y=2000(0.75)^x

b)

y=25(2000)^x

c)

y=2000(1.25)^x

d)

y=2000x^x

13.

(9B)

What is b, the common ratio (growth factor), for the function: f(x) = 300(1.16)^x?

a)

300

b)

1.16

c)

.16

d)

x

14.

(8B)
Find the best fitting quadratic model for the data given.
Lisits & Spreadsheets (label x and y and plug in x and y values)
Data (label x and y axis, press menu, 4, 6, 4)

a)

$1.2x^2+13x+504.3$

b)

$12x^2+13x+504.3$

c)

$0.12x^2+1.3x+504.3$

15.

What is the equation that represents the exponential function in the image below?

a)

y=3(½)^x

b)

y=3(2)^x

c)

y=(2)^x

d)

y=2(3)^x

16.

(9D)

Which equation is representative of the graph?

match the y-intercept.

a)

y=4(1/2)^x

b)

y=1/2(4)^x

c)

y=4(2)^x

d)

y=8(1/2)^x

17.

(9C)

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

a)

y = 15(35)^x

b)

y = 15(1.35)^x

c)

y = 15(0.35)^x

d)

y = 35(1.15)^x

18.

(9B)

What is the decay rate in the following model?

A=1200(.85)⁶

a)

1200

b)

.15

c)

.85

d)

6

19.

(9D)

What is the asymptote of y = 2^x - 3

a)

y = 0

b)

y = -3

c)

x = 0

d)

x = -3

20.

(9A)

a)

A

b)

B

c)

C

d)

D

21.

What is another word for zeros?

a)

y-intercepts

b)

Solutions

c)

vertex

d)

axis of symmetry

22.

(9B)

What is r, the growth rate, for the function: f(x) = 300(1.16)^x?

a)

300

b)

1.16

c)

.16

d)

x

23.

(9A)

a)

A

b)

B

c)

C

d)

D

24.

(9B)

Does the equation represent an exponential function?

a)

Yes

b)

No

25.

(6C)

What is the equation of this graph?

a)

f(x) = (x -5)² + 1

b)

f(x) = (x - 1)² - 5

c)

f(x) = (x + 1)² - 5

d)

f(x) = (x + 5)² +1

26.

(9A)

What is the Range of the function?

a)

0 < y < 180

b)

y > 80

c)

All Real Numbers

d)

0 < x < 6

27.

(9D) or (9B)

Identify the y-intercept (initial value/ 'a') in the function

f(x)= 13(.27)^x

a)

(.27)^x

b)

.27

c)

13

d)

1+.27

28.

(9D)

Whats the horizontal asymptote?

a)

(0,3)

b)

y=3

c)

y=-2

d)

y=2

03/29 6wks Review

Total questions: 28

Worksheet time: 1hrs 18mins

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