Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.tan (23?)
A. -1
B. 1
C. undefined
D. 0
Answer: D
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Solve the problem.The Wellspring Company's fleet of trucks get 20, 9, 16, 13, 19, 12, and 23 miles per gallon. What is the mean miles per gallon for the fleet? Round to the nearest whole number.
A. 19 B. 17 C. 15 D. 16
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = -8x - 7
A. f(x): D = {x|x > -8}, R = {y|y > -7}; f-1(x): D = {x|x < -8}, R = {y|y < -7} B. f(x): D = {x|x > -8}, R is all real numbers; f-1(x): D = {x|x < -8}, R is all real numbers C. f(x): D is all real numbers, R = {y|y > -7}; f-1(x): D is all real numbers, R = {y|y < -7} D. f(x): D is all real numbers, R is all real numbers; f-1(x): D is all real numbers, R is all real numbers
Solve the problem.A rock is thrown vertically upward from the surface of the moon at a velocity of 28 m/sec. The graph shows the height y of the rock, in meters, after x seconds. Estimate and interpret the turning point.
A. The turning point is at approximately (35, 245). This is the point at which the rock reaches its maximum height and starts to fall back towards the surface of the moon. B. The turning point is at approximately (17.5, 245). This is the point at which the rock reaches its maximum velocity and starts to slow down. C. The turning point is at approximately (35, 0). This is the point at which the rock reaches the surface of the moon again. D. The turning point is at approximately (17.5, 245). This is the point at which the rock reaches its maximum height and starts to fall back towards the surface of the moon.
Evaluate the factorial expression.
A. 
B. 
C. 2!
D. 42