For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.y = x2 + 8x
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify using the quotient-to-power rule.
-3
A. x9y15
B. 
C. 
D. 
Mathematics
Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. - 
D. 
Mathematics
Evaluate 
for the given x and function f.f(x) = 5x + 2 for x = 7
A. 37 B. 5 C. 35 D. Does not exist
Mathematics
Find the domain of the rational expression.
A. {x|x is a real number and x ? 7} B. {x|x is a real number} C. {x|x is a real number and x ? 3} D. {x|x is a real number and x ? 3 and x ? 7}
Mathematics