Solve the system by graphing.6x + y = -24 x + 4y = -27
A. {(3, -6)}
B. {(-3, -4)}
C. {(-3, -6)}
D. {(-5, 6)}
Answer: C
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Find the derivative of the function.f(x) = 4x2 + 2x + 4 - 
A. f'(x) = 8x + 2 + 
B. f'(x) = 4x + 2 - 
C. f'(x) = 8x2 + 2 - 
D. f'(x) = 4x2 + 2 + 
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
? 
A. 0.2 B. 4.6 C. 0.04 D. 0.3
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If 
is deposited every four weeks into an account paying 
interest, approximate the amount in the account after 16 years.
A. $9532.60 B. $16,146.00 C. $317.75 D. -$4300.64
Find the prime factorization of the number below (use the divisibility tests where helpful).
A. 
B. 
C. 
D. 
E. 