Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(2m2z4)(4m2z2)
A. 8m4z6
B. 8mz6
C. 8mz4
D. 8m4z
Answer: A
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Evaluate the algebraic expression for the given values of the variables.
for w = -4 and y = 1
A. -62 B. 31 C. 62 D. 66
Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t2i + 10t2j + 2t2k, -1 ? t ? 2
A. 22.5 B. 337.5 C. 675 D. 45
Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
? y = x2 y = 
A. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 2, f(x) is not differentiable at 
B. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 1, f(x) is not differentiable at 
C. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 
, f(x) is not differentiable at 
D. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 2, f(x) is differentiable at 
Find the equation of the transverse axis of the hyperbola.y = ±7
A. y = 0 (x-axis) B. x = 0 (y-axis) C. y = 3 D. x = 3