Find the function value.Let f(x) = e3x. Find f(-0.50), rounded to four decimal places.
A. 0.3502
B. -0.2231
C. 0.2231
D. -0.3502
Answer: C
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Determine whether the equation is linear.
- 89 = 79 + x
A. Linear B. Not Linear
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-9 + (-7)
A. -17 B. 17 C. 16 D. -16
Find the domain and range of the inverse of the given function.f(x) = x2 - 7; x ? 0
A. Domain and range: all real numbers B. Domain: [-7, ?); range: [0, ?) C. Domain: all real numbers; range: [-7, ?) D. Domain: all real numbers; range: [7, ?)
Solve.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 189.62 ft B. 201.58 ft C. 189.28 ft D. 162.24 ft