Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the function on the indicated interval.y = 
cos (?x), 0 ? x ? 4 
A. 
B. 
C. 
D. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Evaluate the function by using three terms of the appropriate Taylor series.ln 0.79
A. -0.2351 B. -0.4431 C. -0.2881 D. 0.7649
Mathematics
Solve the equation and check your solution.15 = 7x + 8x
A. x = 15 B. x = 1 C. x = - 15 D. x = -1
Mathematics