Find two sets of parametric equations for the given rectangular equation.y = x2 - 4

What will be an ideal response?


x = t, y = t2 - 4; x = , y = t - 4, t ? 0

Mathematics

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Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model  where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $70? (Round to the nearest minute.)

A. 4 min B. 106 min C. 190 min D. 37 min

Mathematics

Simplify.

A.
B.
C.
D. - 

Mathematics

Evaluate the algebraic expression for the given values of the variables.x ÷ 6 ? (12 - y), for x = 36, y = 2

A. 70 B. 74 C. 84 D. 60

Mathematics

Simplify.65 - 23(2) + 30

A. 114 B. 1344 C. 49 D. 74

Mathematics