Factor the polynomial completely.2(x + 7)2 + 11(x + 7) + 15
A. (2x + 19)(2x + 10)
B. (2x+ 10)(x + 19)
C. (2x + 19)(x + 10)
D. prime
Answer: C
Mathematics
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Solve the following simultaneous equations using the addition/subtraction method.
2x + y = 6 x + 2y = 3
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.ln 
, x > 4
A. 7ln x + 
ln (1 + 3x) - 9ln (x - 4)
B. ln 7 + ln x - 11ln (1 + 3x) - 9ln (x - 4)
C. ln 7 + ln x + 
ln (1 + 3x) - ln 9 - ln (x - 4)
D. ln 7 + ln x + 
ln (1 + 3x) - 9ln (x - 4)
Mathematics
Evaluate f(x) at the given x. Approximate the result to the nearest hundredth.f(x) = x1.71, x = 2.6
A. 0.20 B. 5.12 C. 0.25 D. 4.03
Mathematics
Express as a single logarithm.logcm + logcn
A. logc(mn)
B. logcmn
C. logc
D. logcm ? logcn
Mathematics