Use the discriminant of the equation to determine the number of x-intercepts.f(x) = -x2 + 8x + 8
A. One x-intercept
B. No x-intercepts
C. Two x-intercepts
Answer: C
Mathematics
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A. 15 - (14 ? 9) B. 15(-14 + 9) C. (15 - 14)(9) D. (15 + 14)(9)
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?
?
A. ?
B. ?
C. ?
D. ?
E. ?
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Use the quotient rule to find the derivative.y = 
A. 
= 1 + 
B. 
= 1 + 
C. 
= 1 - 
D. 
= x + 
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Estimate the slope of the tangent line to the curve at the given point.
A. - 
B. 
C. -4
D. - 
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