Sketch a graph of the function.f(x) = 4x2 + 24x

A.

B.

C.

D.


Answer: C

Mathematics

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Translate the problem to a system of equations, then solve using matrices.Jill is  away from Joe. Both begin to walk toward each other at the same time. Jill walks at  per hour. If they meet in 3 hours, how fast is Joe walking?

A. 4 km per hour B. 1.5 km per hour C. 3 km per hour D. 2 km per hour

Mathematics

Multiply.(k - 0.3)(13.4k - 1.9)

A. 13.4k2 - 4.02k - 1.9 B. 13.4k2 - 4.02k - 0.57 C. 13.4k2 - 4.02k + 0.57 D. 13.4k2 -5.92k + 0.57

Mathematics

Identify the set as finite or infinite.

A. infinite B. finite

Mathematics

Solve the pair of linear equations by addition.If there is one common solution, select the correct ordered pair of the point of intersection. If there is no one common solution, select either parallel or coincide for the correct answer. 

A.
B.
C.
D. The lines are parallel.
E. The lines coincide.

Mathematics