Determine if the equation specifies a function with independent variable x. If so, find the domain. If not, find a value of x to which there corresponds more than one value of y.xy = -5
A. A function with domain all real numbers except x = 0
B. Not a function; for example, when x = -5, y = ±1
Answer: A
Mathematics
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Complete.2
pt = cups
A. 8 B. 5 C. 4 D. 10
Mathematics
Simplify.-9(2 - 4) - 63
A. -198 B. 234 C. 216 D. -2
Mathematics
Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 180 m. The hypotenuse is 60 m longer than the length of the longer leg. How long is the longer leg?
A. 240 m B. 360 m C. 180 m D. 300 m
Mathematics
Express the number in scientific notation.39,769
A. 3.9769 × 10-4 B. 3.9769 × 104 C. 3.9769 × 105 D. 3.9769 × 101
Mathematics