Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.8x2 - 28x - 16
A. prime
B. (8x - 4)(x + 4)
C. 4(2x - 1)(x + 4)
D. 4(2x + 1)(x - 4)
Answer: D
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?Find the volume of a right circular cylinder with radius 4 ft and height 8 ft surmounted by a semi-sphere of radius 4 feet.
A.
?
? ft3
B.
?
ft3
C.
?256? ft3
D.
?
? ft3
E.
?
ft3
Use the compound interest formula to compute the total amount accumulated.$2000 for 6 years at 1.5% compounded monthly
A. $2188.23 B. $2015.05 C. $1750.58 D. $4054.57
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (7 cos t)i + (6 sin t)j
A. a = (-7 cos t)i + (-6 sin t)j B. a = (-7 sin t)i + (-6 cos t)j C. a = (7 sin t)i + (6 cos t)j D. a = (7 cos t)i + (6 sin t)j
Match the graph with its corresponding function.
A. g(x) = 4x2 B. g(x) = x2 - 4 C. g(x) = (x - 4)2 D. g(x) = x2 + 4