Find the domain of the composite function f ? g.f(x) = 
; g(x) = x + 4
A. {x 
B. {x 
C. {x 
D. {x 
Answer: D
Mathematics
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Provide an appropriate response. Charles collects baseball memorabilia. He bought two autographed plaques. He needed some quick cash so he sold each of them for $300 each. On one he made 25% profit and lost 25% on the second one. Did he make or lose money on the sale and how much?
A. He made money. B. He stayed even. C. He lost money.
Mathematics
Write in scientific notation.5,200,000
A. 5.2 × 10-7 B. 5.2 × 106 C. 5.2 × 107 D. 5.2 × 10-6
Mathematics
Divide.
Round to the nearest thousandth.
A. 2.124 B. 21.277 C. 21.237 D. 21.28
Mathematics
Find the indicated composite for the pair of functions.f(x) = 3x + 8; g(x) = 2x + 6Find (f?g)(4).
A. 46 B. 50 C. 34 D. 280
Mathematics