Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 6 - x
A. f-1(x) = x - 6
B. f-1(x) = 
C. f-1(x) = x + 6
D. f-1(x) = 6 - x
Answer: D
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Find the indicated term of the binomial expansion.(6x + 3y)9; term containing x5
A. 79,361,856x5y4 B. 52,907,904x5y4 C. 39,680,928x5y4 D. 26,453,952x5y4
Solve the problem.During a sale, a store sells red-dot items at a 30% discount and yellow-dot items at a 10% discount. A shopper bought red- and yellow-dot items with a combined regular price of $44.00. If the total discount was $8.00, how much did the shopper spend on each kind of item?
A. Red-dot items: $23.40 Yellow-dot items: $12.60 B. Red-dot items: $18 Yellow-dot items: $26 C. Red-dot items: $12.60 Yellow-dot items: $23.40 D. Red-dot items: $26 Yellow-dot items: $18
Factor completely. If the polynomial is prime, state so.6r3 - 48
A. 6(r - 12)(r2 + 12r + 24) B. 6(r - 2)(r2 + 2r + 4) C. 6(r - 2)(r2 - 2r + 4) D. 6(r + 2)(r2 - 2r + 4)
Solve and graph.f + 11 < 2
A. f ? -9
B. f ? -9 
C. f < -9 
D. f > -9 