Solve the equation. Express radicals in simplest form.m2 = - m + 

A.
B. ?
C.
D.


Answer: D

Mathematics

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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 

A.

B.

C.

D.

Mathematics

The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 5t2 + 2t + 4, 0 ? t ? 2Find the body's displacement and average velocity for the given time interval.

A. 14 m, 22 m/sec B. 24 m, 24 m/sec C. 32 m, 16 m/sec D. 24 m, 12 m/sec

Mathematics

Evaluate the polynomial.x2yz + x + y for x = 1, y= -4, and z = 1

A. 7 B. -4 C. 4 D. -7

Mathematics

Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.

What will be an ideal response?

Mathematics