Simplify the following expressions. Simplified expressions must be in lowest terms, and exponents must be positive numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the length of the curve.y = 
(x4/3 - 2x2/3) from x = 1 to x = 64
A. 
B. 
C. 
D. 275
Mathematics
Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = cos x and y = 2x
A. x ? 0.339084 B. x ? 0.451284 C. x ? 0.450184 D. x ? 0.950184
Mathematics
What is f2 in the circuit below when R1 = 1 Kê, R2 = 4 Kê, C1 = 0.1 æF, C2 = 700 pF, and E = 20 V?
a. 390 KHz
b. 284 KHz
c. 169 KHz
d. 71 KHz
e. 57 KHz
Mathematics
Solve the problem.The formula a = 
gives an object's average acceleration a when its velocity changes from v1 at time t1 to v2 at time t2. Solve for t2.
A. t2 = 
B. t2 = 
C. t2 = 
D. t2 = 
Mathematics