Evaluate as specified.For f(x) = 2(243)x, find f 
.
A. -162
B. 
C. 162
D. 
Answer: B
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Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. quadratic; positive B. quadratic; negative C. linear; negative D. linear; positive
Find the effective rate of interest.50.08% compounded daily
A. 50.285% B. 50.985% C. 50.203% D. 64.947%
Solve.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 22 minutes requires 11 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 2 gallons B. 2.75 gallons C. 60.5 gallons D. 8 gallons
Find the absolute value.
A. Not defined B. -1 C. 1 D. 0