Write the expression in condensed form.5logb q - logb r
A. logb (q5 - r)
B. logb q5 ÷ logb r
C. logb
D. logb
Answer: C
Mathematics
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Find the composition. If f(x) = and g(x) = 2x + 7, find g[f(x)].
A. x
B. x -
C. 2x + 7
D. x + 14
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Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A.
B.
C.
D.
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The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?10
-10
A. y1 = , y2 = -
B. y1 = 5, y2 = -5
C. y1 = , y2 = -
D. y1 = , y2 = -
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Solve the system of equations using Cramer's Rule, if applicable.
A. (3, 1) B. ? C. (1, 3) D. {(x, y)|-2x + 4y = -2}
Mathematics