Add or subtract. Assume that variables represent nonnegative values.
- 
A. -21
B. -21
C. -3
D. 7
Answer: C
Mathematics
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The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x2 - 2x + 1
A. two real zeros; no imaginary zeros B. one real zero; one imaginary zero C. one real zero; no imaginary zeros D. no real zeros; two imaginary zeros
Mathematics
Convert to a logarithmic equation.103 = 1000
A. log3
= 10
B. log10
= 1000
C. log10
= 3
D. log3
= 1000
Mathematics
Factor the trinomial completely.4x2 + 7x - 15
A. (x - 5)(4x + 3) B. (x - 3)(4x + 5) C. (x + 3)(4x - 5) D. prime
Mathematics
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-9, -3) -9 < x < -3 B. [-9, -3] -9 ? x ? -3 C. [-9, -3) -9 ? x < -3 D. (-9, -3] -9 < x ? -3
Mathematics