Solve the problem.According to Einstein's famous Relativity Theory, the mass of an electron with velocity v is given by: m = 
,where mo is the rest mass of the electron and c is the speed of light in a vacuum. Solve the equation for v.
A. v = 
B. v = 
C. v = ±
D. v = 
Answer: D
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Establish the identity.
+ 
= 2 sec t
What will be an ideal response?
Use algebraic and/or graphical methods to solve the inequality.
> 
A. No solution B. x < -7 C. x > -7 D. All real numbers
Solve the problem.The surface area S (in square inches) of a cylindrical pipe with length 12 inches is given by S(r) = 2?r2 + 24?r, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the surface area S of the pipe as a function of the time t.
What will be an ideal response?
Answer the question about the given function.Given the function f(x) = 7x2 + 14x - 5, list the y-intercept, if there is one, of the graph of f.
A. -5 B. 9 C. 16 D. -12