Find the product.(-2x + 8)(-2x + 2)
A. -4x2 - 20x + 16
B. 4x2 - 20x + 16
C. -4x2 - 20x - 20
D. 4x2 - 20x - 20
Answer: B
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Write the first four terms of the sequence.an = 6n - 9
A. a1 = 6, a2 = 3, a3 = 9, a4 = 15 B. a1 = 15, a2 = 3, a3 = 9, a4 = 15 C. a1 = -3, a2 = 21, a3 = 9, a4 = 33 D. a1 = -3, a2 = 3, a3 = 9, a4 = 15
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $5 per foot for two opposite sides, and $3 per foot for the other two sides. Find the dimensions of the field of area 850 ft2 that would be the cheapest to enclose.
A. 48.6 ft @ $5 by 17.5 ft @ $3 B. 22.6 ft @ $5 by 37.6 ft @ $3 C. 37.6 ft @ $5 by 22.6 ft @ $3 D. 17.5 ft @ $5 by 48.6 ft @ $3
Solve the problem.A camera costs $460. If the sales tax rate is 5%, what is the total price including tax? Round your answer to the nearest cent.
A. $478.40 B. $690.00 C. $487.60 D. $483.00
Find all numbers not in the domain of the function.f(x) = 
A. 2, -8 B. 0 C. -2, 8 D. 6, -6