Solve the problem.A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what intervals of time is the ball less than 80 above the ground (after it is tossed until it returns to the ground)?
A. between 0 and 0.5 seconds and between 5.5 and 6 seconds
B. between 0 and 2.5 seconds and between 3.5 and 6 seconds
C. between 0 and 1 seconds and between 5 and 6 seconds
D. between 1 and 5 seconds
Answer: C
You might also like to view...
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.21y2 = 3x(3 - 7x) + 4
A. Circle B. Parabola C. Ellipse D. Hyperbola
Factor out the negative of the GCF; then factor completely.-14x3 + 14x2 + 28x
A. 14x(x + 2)(x - 1) B. -14x(x - 2)(x + 1) C. -14x(x + 2)(x - 1) D. 14x(x - 2)(x + 1)
Solve and give interval notation for the solution set. Then graph the solution set.4x < 20 or x + 2 ? 11
A. (-?, -9] ? (5, ?)
B. (5, ?)
C. (-?, 9]
D. (-?, 5) ? [9, ?)
Multiply the polynomials. Express the answer as a single polynomial in standard form.(x + 12)(x - 12)
A. x2 + 24x - 144 B. x2 - 24x - 144 C. x2 - 144 D. x2 - 24