M2 Unit 6 Test Review

y = 4^x
Evaluate when x = 3

• -64
• 1/64
• 64
• -1/64

Your shiny new boat cost $7650.  The depreciation for your boat is 14% per year. Estimate the value of your vehicle in 3 years. What is the equation that models this problem?

• y= 7650(.14)³
• y= 7650(.86)³
• y= 7650(1+.86)³
• y = 7650(1.14)³

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

• y = 70(2)³⁵
• y = 70(2)⁵
• y = 2(70)⁵
• y = 5(70)²

Which equation matches the graph?

• y=2(2)^x
• y=2(1/2)^x
• y=2^x
• y=1/2(2)^x

A pair of shoes cost $99.99 but was on sale for 15% off the original price. If the sales tax is 9.5%, what would be the cost of the shoes, including tax?

• $93.07

• $107.05

• $92.54

• $88.79

Cody weighed 110 pounds when he started 6th grade but now weighs 150 pounds as a 7th grader. What is the percent of increase in his weight?

• 36%
• 26%
• 33%
• 38%

• 5

• $-1,100/year

• $-1521.12/year

• $-1,776/year

• $-1,891.45/year