Decide whether the given functions are inverses.f = {(2, 18), (3, 20), (4, 22), (5, 24), (6, 26)}g = {(18, 2), (20, 3), (22, 4), (24, 5), (26, 6)}
A. Yes
B. No
Answer: A
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Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. A(-2, 2) in Quadrant II; B(5, -2) in Quadrant IV B. A(-2, 0) on the y-axis; B(-5, -2) in Quadrant III C. A(-2, 0) on the x-axis; B(5, -2) in Quadrant IV D. A(2, 0) on the x-axis; B(5, -2) in Quadrant IV
Insert ? or ? in the blank to make the statement is true.10 
{7, 8, 9, 10}
A. ? B. ?
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 
log2m + 
log2n - 
log2k
B. 
log2m + 
log2n - 2 log2k
C. 5 log2m + 9 log2n - 2 log2k
D. 
log2m ? 
log2n ÷ 2 log2k
For the given equation, first identify the phase shift and then sketch one complete cycle of the graph. Graph y = cos x on the same coordinate system.
?
?
A. ?
Phase Shift = 
B. ?
?Phase Shift =
C. ?
?Phase Shift =
D. ?
?Phase Shift =
E. ?
?Phase Shift =