Write the x- and y-intercepts of the graph.
A. x-intercepts: 7, -7; y-intercept: -7
B. y-intercept: -7
C. x-intercepts: 7, -7
D. x-intercepts: 7, -7; y-intercept: 0
Answer: A
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Give an appropriate answer.Given the function f(x, y, z) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y, z) = 
; ? = 0.01
What will be an ideal response?
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 2.07 B. 3.7 C. -1.85 D. 1.85
Determine the domain and the range of the function.f(x) = x2 + 10x
A. domain: all real numbers range: {y|y ? 25} B. domain: {x|x ? 5} range: {y|y ? 25} C. domain: {x|x ? -5} range: {y|y ? -25} D. domain: all real numbers range: {y|y ? -25}
Simplify each side of the equation, if possible. Then solve the equation.
+ 10 = 11 + r
A. r = 
B. r = 22
C. r = 11
D. r = 