Find the value of (f ? g)' at the given value of x.f(u) =
+ 13, u = g(x) =
, x = 5
A. 10
B. -23
C. 25
D. 5
Answer: A
Mathematics
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Express the number in scientific notation.3,100,000
A. 3.1 × 10-6 B. 3.1 × 10-7 C. 3.1 × 107 D. 3.1 × 106
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Solve the problem.In a sale, the price of a computer is reduced by $132. The sale price is $1648. Find the marked price (original price) and the rate of discount. Round the discount rate to the nearest tenth of a percent if necessary.
A. $1516; 8% B. $1780; 7.4% C. $1780; 8% D. $1516; 8.7%
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Factor completely.4x3 + 8x2y - 32xy2 = 4x( )(
)
A. x + 8y, x - 4y B. x + 8xy, x - 4y C. x + 2y, x - 4y D. x - 2y, x + 4y
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