Use a graphing calculator to estimate f '(a) for the given value of a.f(x) = 
; a = -1
A. -22.9991
B. -0.7631
C. -22.4991
D. -21.4991
Answer: D
Mathematics
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Solve the problem.For what value of r does the infinite series 1 + 6r + r2 + 6r3 + r4 + 6r5 + r6 + ... converge?
A. |r| < 6
B. |r| < 
C. |r| < 1
D. |r| < 3
Mathematics
Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 2x3 - 7x2 + 4x + 8; -1 and 0
A. f(-1) = -4 and f(0) = 9 B. f(-1) = -5 and f(0) = 8 C. f(-1) = 5 and f(0) = 8 D. f(-1) = 5 and f(0) = -8
Mathematics
Solve the equation.
= 3
A. 11 B. 5 C. 24 D. 10
Mathematics
Evaluate.|23|
A. 23 B. 0 C. -23 D. 46
Mathematics