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Exit ticket 4/24

Authored by Tom Glos

Mathematics

9th Grade

Used 1+ times

Exit ticket 4/24
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A particular type of cell triples in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 6 of these cells?

f(h) = 3(6)h

f(h) = 6xh

f(h) = 6(3)h

f(h) = 3(6h)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The amount of cola in a soda machine decreases by a rate of 5% each hour. The amount of cola in the machine was originally 75 gallons.

Which function models the amount of cola in gallons after h hours?

f(h) = 75(-5)h

f(h) = -5(75)h

f(h) = .95(75)h

f(h) = 75(.95)h

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Write an exponential function to model the situation. Then solve.

The cost of tuition at a college is $12,000 and is increasing at a rate of 6% per year. Which equations represents this situation?

C(t) = 1.06(12000)t

C(t) = 12000(.06)t

C(t) = 12000(.06)t

C(t) = 12000(1.06)t

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Write an exponential function to model the situation. You invest $1500. Your investment increases at a rate of 3.5%.

B(t) = 1500(0.965)t

B(t) = 1500(1.035)t

B(t) = 1500(.035)t

B(t) = 1500(1.965)t

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Write an exponential function to model the situation. The value of a car is $18000 and is depreciating at a rate of 12% per year.

V(t) = .88(18000)t

V(t) = .12(18000)t

V(t) = 18000(.88)t

V(t) = 18000(.12)t

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the a-value (or y-intercept) for the function: f(x) = 800(0.85)x?

800

0.85

0.15

x

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation that models this situation?

y = 8(15,000)x

y = 15,000(1.08)x

y = 15,000(0.92)x

y = 15,000(0.08)x

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