Choose the best estimate for the sum or difference.18
+ 15
A. 18
B. 34
C. 33
D. 32
Answer: C
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Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 4i and -5i
A. f(x) = x4 - 4x3 + 41x2 + 400 B. f(x) = x4 - 5x2 + 400 C. f(x) = x4 + 41x2 + 400 D. f(x) = x4 + 41x2 -5x + 400
Divide using synthetic division, and write a summary statement in fraction form.
A. 3x4 - 2x3 + 6x2 - 12 + 
B. 3x4 - 2x3 + 4x2 - 6x + 12 + 
C. 3x4 + 2x3 + 4x2 + 8x + 
D. 3x4 - 2x3 + 4x2 + 6 + 
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 3x B. y = 2.8x C. y = 3x + 0.15 D. y = 2.8x + 0.15
The graph of an exponential function is given. Select the function for the graph from the functions listed.
A. f(x) = - 4x B. f(x) = 4x C. f(x) = 4-x D. f(x) = - 4-x