Evaluate the function at the given values of the variable.f(x) = 7x2 + 6x + 1
a. f(-7)
b. f(-9)
A. 2360, 3916
B. -139, -179
C. 302, 514
D. 4116, 6804
Answer: C
Mathematics
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Determine whether the integration formula is correct. 
cos-1 7x dx = 
cos-1 7x + 
+ C
A. Yes B. No
Mathematics
Subtract.-2 - 5
A. 3 B. -3 C. 7 D. -7
Mathematics
Find the quotient using long division.
A. x + 10 B. x - 10 C. x - 13 D. x2 - 13
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.95x - 2.79 B. y = 0.90x - 3.79 C. y = 0.85x - 2.79 D. y = 0.80x - 3.79
Mathematics