Find an equation of the line. Write the equation using function notation.(4, -27), (-3, 8)

A. f(x) = x - 
B. f(x) = -5x - 7
C. f(x) = 5x - 47
D. y = - x - 


Answer: B

Mathematics

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Find the cardinal number of the indicated set. Use the cardinal number formula.If n(B) = 60, n(A ? B) = 11, and n(A ? B) = 105, find n(A).

A. 56 B. 54 C. 45 D. 58

Mathematics

Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula  Find the instantaneous rate of change of distance with respect to velocity when the speed is 40 mph.

A. 5.0 f/mph B. 10 f/mph C. 41 f/mph D. 4.0 f/mph

Mathematics

Solve and graph the solutions.|x + 16| > 15

A.

B.

C.
 
D.

Mathematics

Graph the pair of parametric equations.x = 2t - 1, y = t2 + 7, -4 ? t ? 4

A.

B.

C.

D.


Mathematics