Use the factor theorem to decide whether or not the second polynomial is a factor of the first.5x4 + 9x3 - 2x2 + x + 4; x + 2
A. Yes
B. No
Answer: B
Mathematics
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Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.39 plus $0.32 per minute starting with the first minute. Find a linear function f(x) = mx + b whose input is the number of minutes for a call and whose output is the corresponding cost for the call.
A. f(x) = 0.39x B. f(x) = 0.32x C. f(x) = 0.39x + 0.32 D. f(x) = 0.32x + 0.39
Mathematics
Solve by the method of elimination by substitution. x - 5y = 302x - 5y = 25
A. x = -4, y = -8 B. x = -5, y = -7 C. x = -4, y = -5 D. Inconsistent
Mathematics
Evaluate the integral.
A. 
B. 
C. 
D. - 
Mathematics
Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Mathematics