Find the domain of the rational function.h(x) = 
A. {x|x ? -2, x ? 2}
B. {x|x ? -2, x ? 2, x ? -4}
C. {x|x ? 0, x ? -4}
D. all real numbers
Answer: C
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Add.7731
A. 169 B. 159 C. 158 D. 148
For the given parabola, use the discriminant to determine the number of x-intercepts.y = 4x2 + 8x + 4
A. no x-intercepts B. two x-intercept C. one x-intercept
Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation."Is the same weight as"
A. Reflexive and symmetric; not an equivalence relation B. Reflexive, symmetric and transitive; equivalence relation C. Symmetric and transitive; not an equivalence relation D. Reflexive and transitive; not an equivalence relation
Solve the problem. Round to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 9.1 hr; Ron: 11.1 hr B. Paul: 10 hr; Ron: 12 hr C. Paul: 8.3 hr; Ron: 10.3 hr D. Paul: 8 hr; Ron: 10 hr