Solve the problem. Round to the nearest tenth if necessary.Pierre built a car with a top speed of 100 km/hr. Express this speed in miles per hour.
A. 16 mi/hr
B. 6.3 mi/hr
C. 62.5 mi/hr
D. 160 mi/hr
Answer: C
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Evaluate the function for the given values of a and b. Then use the intermediate value theorem to determine which of the statements below is true.a = 0, b = 5f(x) = x3 + 3x2 + 6x + 4
A. f(0) and f(5) have opposite signs, therefore f does not have a real zero between 0 and 5. B. f(0) and f(5) have the same sign, therefore the intermediate value theorem cannot be used to determine whether f has a real zero between 0 and 5. C. f(0) and f(5) have opposite signs, therefore f has a real zero between 0 and 5. D. f(0) and f(5) have the same sign, therefore f does not have a real zero between 0 and 5.
Find the volume.Find the volume of the solid generated by revolving the area under y = 3e-x in the first quadrant about the x-axis
A. 9?
B. 3?
C. 18?
D. 
?
Evaluate as instructed.Evaluate (fg)(1).
A. -5 B. 0 C. 6 D. 3
Find the exact value of the expression using a sum or difference identity.cos (-165°)
A. 
B. 
C. 
D. 