Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 4 sec of fall and the speed at the instant 
A. 65 ft/sec; 130 ft/sec
B. 128 ft/sec; 65 ft/sec
C. 64 ft/sec; 128 ft/sec
D. 32 ft/sec; 64 ft/sec
Answer: C
Mathematics
You might also like to view...
Write the first four terms of the geometric sequence.a = 3, a4 = -81
A. 3, -9, -27, -81 B. -3, -9, -27, -81 C. 3, -9, 27, -81 D. -9, 27, -81, 243
Mathematics
Describe the behavior of the function's graph at its x-intercepts.f(x) = x2 + 4x - 12
A. Crosses at (2, 0) and (-6, 0) B. Crosses at (-2, 0) and (6, 0) C. Does not cross at (2, 0) or (-6, 0) D. Does not cross at (-2, 0) or (6, 0)
Mathematics
Identify the equation as a parabola, circle, ellipse, or hyperbola.2x2 - y = 11
A. Hyperbola B. Ellipse C. Parabola D. Circle
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 2x + 7
A. f-1(x) = - 
B. f(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics