Find the points of inflection.f(x) = x3 + 10x + 5
A. (5, 10)
B. (0, 10)
C. (5, 0)
D. (0, 5)
Answer: D
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Find the vertex.f(x) = 7x2 - 28x + 36
A. (2, 8) B. (8, 0) C. (2, 0) D. (8, 2)
Solve the problem.Some values of linear functions f and g are listed in the table below. Find the solution of a system of two equations that describes the functions f and g. HINT: Use the linear regression and graphing functions on a calculator to find and graph equations of f and g.
Find an approximate solution of a system of two equations that describe the functions f and g.
A. (13.0, 30.1) B. (10.5, 22.8) C. (11.4, 32.8) D. (11.9, 38.5)
Solve the problem.Twin City Freezer accepts a note with face value of $6560 on June 4. The note is for 90 days at 7% interest. The note is discounted on July 20 at 9%. Find the proceeds.
A. $6599.71 B. $6601.38 C. $6617.69 D. $6543.35
Decide whether the ordered pair is a solution of the given system.
A. Yes B. No