Simplify the expression.7a + 11 + 7a
A. 14a + 11
B. 28a
C. 49a + 11
D. 14a
Answer: A
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Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.3x2 + 4x - 8
A. (3x + 2)(x - 4) B. (3x - 4)(x + 2) C. (3x + 4)(x - 2) D. prime
Find the missing value and write a conclusion.39% of what number is 78?
A. 39% of 0.5 is 78. B. 39% of 50 is 78. C. 39% of 2000 is 78. D. 39% of 200 is 78.
Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = 6 - e-x
A. Domain: (-?, ?), range: (-?, 6)
Horizontal asymptote: y = 6
B. Domain: (-?, ?), range: (-?, 6)
Horizontal asymptote: y = 6
C. Domain: (-?, ?), range: (6, ?)
Horizontal asymptote: y = 6
D. Domain: (-?, ?), range: (6, ?)
Horizontal asymptote: y = 6
Solve the problem.Sue buys a house for $254,000. What is the value of the house 1 year later, if it depreciates by 4.5% in the first year after she buys it?
A. $242,570 B. $11,430 C. $139,700 D. $114,300