Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
- 
)
A. 
B. 10
C. 5
+ 5
D. 
- 
Answer: D
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Sketch the graph of the function and find the domain and range.f(x) = 2(x + 1)2 - 3
A. domain: all real numbers
range: y ? -3
B. domain: all real numbers
range: y ? -3
C. domain: all real numbers
range: y ? -3
D. domain: all real numbers
range: y ? 1
Determine the number of significant digits in the given approximate number.0.070080
A. 5 B. 2 C. 6 D. 3
Provide an appropriate response. A roadway rises 4 feet for every 15 feet along the road. What is the angle of inclination of the roadway?
A. 15.5° B. 75.1° C. 14.9° D. 74.5°
Solve.The annual depreciation rate r (0 < r < 1) of a car purchased for P dollars and worth A dollars after t years can be modeled by the following formula: 
Find the depreciation rate of a car that is purchased for $31,000 and is sold 4 years later for $14,000. Express your answer as a percentage, and round the answer to the nearest whole percentage.
A. -18% B. 18% C. 82% D. -82%