Solve the problem.If f(4) = 15, what is f-1(15)?
A. 
B. 15
C. -4
D. 4
Answer: D
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Use colored counters to answer the question. Typically, black counters represent a profit or a positive number, while red counters represent a loss or a negative number. Here, use white in place of red, that is, consider a white counter to mean what a red counter would in the typical case.Draw a colored counter diagram to represent -3.
What will be an ideal response?
Solve the problem.Use the formula L = 10 ? log 
, where the loudness of a sound in decibels is determined by I, the number of watts per square meter produced by the soundwave, and 
What is the intensity of a noise measured at 31 dB?
A. 3.1 x 10-10 W/m2 B. 2.22 x 1013 W/m2 C. 1.26 x 10-9 W/m2 D. 1.26 x 10-8 W/m2
Graph the two functions on one coordinate plane.f(x) = x2g(x) = (x - 6)2 + 4
A. 
B. 
C. 
D. 
Decide whether the ordered pair is a solution of the given system.(5, -6)4x + y = 262x + 4y = 34
A. No B. Yes