Unit Test — Unit test

Question 1

What is the solution to

Revolt · Accepted Answer

x = 4

Question 2

An equation for the depreciation of a car is given by y = A(1 – r)t , where y = current value of the car, A = original cost, r = rate of depreciation, and t = time, in years. The value of a car is half what it originally cost. The rate of depreciation is 10%. Approximately how old is the car?

Revolt · Accepted Answer

6.6 years

Question 3

A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double?

Revolt · Accepted Answer

46.6 days

Question 4

If you are given the graph of , how could you graph ?

Revolt · Accepted Answer

Translate each point of the graph of h(x) 3 units left.

Question 5

Which expression is equivalent to ?

Revolt · Accepted Answer

4 log Subscript 12 Baseline x + one-half log Subscript 12 Baseline (x cubed minus 2) minus 5 log Subscript 12 Baseline (x + 1)

Unit Test — Unit test Answers

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