Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 42 s
B. 31.5 s
C. 21 s
D. 10 s
Answer: C
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Find the equation of the line of best fit from the data in the table. Round the slope and the y-intercept to the nearest hundredth.
A. y = 0.17x + 2.11 B. y = 0.5x - 2 C. y = 0.11x + 2.49 D. y = x - 8
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in standard position. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant IV. f(? - ?)
A. 
B. 
C. 
D. 
Find the inverse of the function.f(x) = e7x
A. f-1(x) = -7 ln x
B. f-1(x) = ln
C. f-1(x) = 
ln x
D. f-1(x) = 7 ln x
If a square with side length 1 unit and a circle with circumference 1 unit are drawn on top of each other, will the square be inside or outside the circle? Explain.
What will be an ideal response?