Solve the problem.The height h of a ball thrown is given by
, where x is the horizontal distance traveled and both measurements are in feet. At what horizontal distances will the height of the ball be more than
(Round distances to the nearest tenth of a foot, if necessary.)
A. 5.9 ft < x < 25 ft
B. 5.9 ft < x < 19.1 ft
C. 0 ft < x < 5.9 ft or 19.1 ft < x < 25 ft
D. 0 ft < x < 19.1 ft
Answer: B
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Find the simplified form for f(x) and list all restrictions on the domain.f(x) = -
A. f(x) = 10, x ? 2
B. f(x) = , x ? -2, 2
C. f(x) = 0, x ? -2, 0
D. f(x) = , x ? -2, 2
A rectangular box is to have a square base and a volume of 4 ft.3. If the material for the base costs 20 cent/square foot, the material for the sides costs 30 cent/square foot, and the material for the top costs 10 cent/square foot, determine the dimensions of the box that can be constructed at minimum cost.
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?
A.
B. ?
C. ?
D. ?
Write the logarithmic equation as an exponential equation.log B = C
A. 10C = B B. eB = C C. eC = B D. 10B = C
Give the exact value.cot
A.
B.
C. 1
D.