Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 ft/sec, and the gorge is 192 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + ho.)

A. 2 < t < 6
B. 6 < t < 10
C. 4 < t < 8
D. 0 < t < 2


Answer: A

Mathematics

You might also like to view...

Use long division to divide the polynomials.(8x3 - 2x2 - 26x - 15) ÷ (4x + 3)

A. 2x2 - 5 B. 2x2 - 2x - 5 C. x2 - 2x - 5 D. x2 + 2x + 5

Mathematics

Give the equation of the horizontal asymptote, if any, of the function.f(x) = 

A. y = 8 B. y = 4 C. y = 1 D. none

Mathematics

State whether the relation is a function.

A. It is a function. B. It is not a function.

Mathematics

Convert the rectangular equation to polar form.8x - 5y + 1 = 0

A. 8 cos ? - 5 sin ? = -1
B. r = - 
C. r = - 
D. 8 cos ? - 5 sin ? = 1

Mathematics