Modeling with Systems of Linear Equations — Unit test

Question 1

On a coordinate plane, an exponential function decreases from quadrant 2 into quadrant 1 and approaches y = 0. It crosses the y-axis at (0, 4).

Revolt · Accepted Answer

4

Question 2

What is the range of f(x) = – 4?

Revolt · Accepted Answer

{y | y > –4}

Question 3

On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and increases into quadrant 1. It goes through (negative 1, 0.25), (0, 0.5), (1, 1).

Revolt · Accepted Answer

f(x) = (2)x

Question 4

Which table shows exponential decay?

Revolt · Accepted Answer

A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 16, 8, 4, 2.

Modeling with Systems of Linear Equations — Unit test Answers

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