Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.-x-4
A. 4x
B. - 
C. 
D. -4x
Answer: B
Mathematics
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Estimate the limit by graphing the function for an appropriate domain. Confirm your estimate by using l'Hopital's rule. Show each step of your calculation.
What will be an ideal response?
Mathematics
Describe the transformations that produce the graph of g from the graph of f.f(x) = x2 ; g(x) = (x - 10)2 - 7
A. Shift 10 units to the left and 7 units upward. B. Shift 7 units to the right and 10 units downward. C. Shift 10 units to the right and 7 units downward. D. Shift 10 units to the left and 7 units downward.
Mathematics
Perform the indicated operation
Mathematics
Without using a calculator, give the exact trigonometric function value with rational denominator.tan 45°
A. 
B. 
C. 1
D. 
Mathematics