Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators.
B. Use the reciprocal of the second fraction (divisor) and multiply.
C. Add the numerators and multiply the denominators.
D. Add the numerators and factor the denominators.
Answer: B
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Use the quadratic formula to find the exact solutions.3x2 - 20x - 7 = 0
A. - , 3
B. - , 7
C. - , -3
D. -3, 7
Find the sum and simplify the answer. +
+
A.
B.
C.
D.
Simplify. Assume radicands of square roots are positive.()2
A. 6x
B. 3x
C. 9x2
D.
Use the graph to determine the domain and range of the function.
A. domain: {x|x ? 2} range: {y|y ? 4} B. domain: {x|x ? -2} range: {y|y ? 4} C. domain: {x|x ? 4} range: {y|y ? -2} D. domain: {x|x ? 4} range: {y|y ? 2}