Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A.
B.
C.
D.
Answer: C
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Factor completely.-2w2 - 24w - 54
A. -(w - 9)(w - 3) B. -(2w + 18)(w + 3) C. -2(w + 9)(w + 3) D. prime
Solve the variation problem.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit above the earth in
at a velocity of
how long would it take a satellite to complete an orbit if it is at
-4.0px;" /> above the earth at a velocity of
Use
as the radius of the earth, and round your answer to the nearest hundredth of an hour.
A. 51.59 hours
B. 22.14 hours
C. 7.18 hours
D. 221.4 hours
Estimate the indicated probability.A survey was done at a mall in which 2000 customers were asked what type of credit card they used most often. The results of the survey are shown in the figure below: Determine the empirical probability that a person selected at random from the 2000 surveyed uses no card. Round to the nearest ten-thousandth when necessary.
A. 0.0005 B. 0.025 C. 0.05 D. 0.005
Use the properties of logarithms to simplify the expression.ln (18x + 9) - 2 ln 3
A. ln (3x + 2) B. ln (81(2x + 1)) C. ln (2x + 1) D. ln (18x)