Identify the indicated entry in matrix A.A = 
; identify a32.
A. 5
B. 7
C. 2
D. 8
Answer: A
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Solve the problem.A man earned $2500 the first year he worked. If he received a raise of $600 at the end of each year, what was his salary during the 15th year?
A. $2500 B. $11,500 C. $8400 D. $10,900
Use the principle of mathematical induction to show that the mathematical statement is true for all natural numbers n.Sn: 3 + 
+ 
+ . . . + 
= 4
What will be an ideal response?
Evaluate the logarithm.ln 
A. -10
B. -5
C. - 
D. 
(a) Use a graph to find a rational root of the polynomial function and factor f into a linear factor and a quadratic factor. (b) Find two complex roots of f. f(x) = x3 - 3x2 + 7x - 5
A. (a) x = -1, f(x) = (x + 1)(x2 + 2x - 5) (b) x = 1 ± 2i B. (a) x = 1, f(x) = (x - 1)(x2 + 2x + 5) (b) x = -1 ± 2i C. (a) x = 1, f(x) = (x - 1)(x2 - 2x + 5) (b) x = 1 ± 5i D. (a) x = 1, f(x) = (x - 1)(x2 - 2x + 5) (b) x = 1 ± 2i