Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 16
B. x = 2.0
C. x = 8
D. x = 84.5
Answer: C
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Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 2x)
A. Q(x) = 1 - 2x + 2x2 B. Q(x) = 2x + 2x2 C. Q(x) = 1 + 2x + 2x2 D. Q(x) = 2x - 2x2
Solve the problem.Tracy wants to save $40,000 for a down payment towards a house. She puts $26 every month in an annuity that has a 5% annual interest rate. How long will it take her to save for the down payment? Round your answer to the nearest month.
A. 482 months B. 479 months C. 490 months D. 484 months
Find the complete factored form of the polynomial f(x) that satisfies the given conditions.Degree 3, leading coefficient -3, zeros at -2, -2 - 2i and -2 + 2i.
A. f(x) = -3(x - 2)(x2 + 4x + 8) B. f(x) = -3(x - 2)(x + 2 - 2i)(x + 2 + 2i) C. f(x) = -3(x + 2)(x2 + 4x + 8) D. f(x) = -3(x + 2)(x + 2 - 2i)(x + 2 + 2i)
Use synthetic division to divide.
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