Free Printable Homework 3/18

1.

The table shows the number of people in a particular country over, t, in years.

Which function, f(t), best models the number of bacteria cells over time, t, where t is between 0 and 3?

a)

$f\left(t\right)=5\left(50\right)^t$

b)

$f\left(t\right)=5t+50$

c)

$f\left(t\right)=50\left(5\right)^t$

d)

$f\left(t\right)=50t+5$

2.

The table shows the population in a particular colony over time, t, in days.

Which function, f(t), best models the number of bacteria cells over time, t, where t must be between 0 and 3?

a)

$f\left(t\right)=2\left(50\right)^t$

b)

$f\left(t\right)=50t+50$

c)

$f\left(t\right)=2t+50$

d)

$f\left(t\right)=50\left(2\right)^t$

3.

In the following graph, which are the most appropriate units for the rate of change in the graph?

a)

$\frac{Deer\ Population}{Years}$

b)

$\frac{Years}{Deer\ Population}$

c)

$\frac{Days}{Deer\ Population}$

d)

$\frac{Years}{Days}$

4.

What would be the domain for the function?

a)

$x\ge80$

b)

$x<0$

c)

$x<80$

d)

$x\ge0$

5.

What is the range of the function?

a)

$y>80$

b)

$y\ge80$

c)

$y<0$

d)

$y\ge0$

6.

Write the equation of the line in slope-intercept form.

a)

$y=-\frac{2}{3}x+2$

b)

$y=2x+\frac{2}{3}$

c)

$y=\frac{2}{3}x+2$

d)

$y=2x+2$

7.

Write the equation of the line in standard form.

a)

$2x+2y=2$

b)

$x-2y=2$

c)

$x+y=2$

d)

$2x-y=2$

8.

Convert the following equation from slope-intercept form to standard form

$y=3x-4$

a)

y - 4 = 3x

b)

3x + y = 4

c)

y + 3x = 4

d)

3x - y = 4

9.

Convert the following from standard form to slope intercept form.

$10x-3y=30$

a)

$y=\frac{10}{3}x-10$

b)

$y=-\frac{10}{3}x-10$

c)

$y=\frac{10}{3}x+10$

d)

$y=\frac{10}{3}x+30$

10.

For the following table, which is the most appropriate units of measurements.

a)

$\frac{Minutes}{Seconds}$

b)

$\frac{Minutes}{Total\ Ch\arg es}$

c)

$\frac{Dollars}{Minute}$

d)

$\frac{Total\ Ch\arg es}{Minutes}$

11.

What is the average rate of change in the number of shingles from 20 minutes to 40 minutes?

a)

15 dollars per minute

b)

5 dollars per minute

c)

.25 dollars per minute

d)

4 dollars per minute

12.

Solve the following

$5-\left(10x-5\right)>10x+50$

a)

x > -2

b)

x > 4

c)

x < -2

d)

x < -4

Homework 3/18

Total questions: 12

Worksheet time: 6mins

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