Write the expression with positive exponents. Then simplify if possible.
A. 7
B. 49
C. 343
D. 14
Answer: B
Mathematics
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Find the derivative 
by solving the given implicit equation for y explicitly in terms of x.
?
?
A. 
B. 
C. 
D. 
Mathematics
Use the discriminant to determine the number and type of solutions of the equation.3 - 7x2 = 8x + 5
A. two real solutions B. two complex but not real solutions C. one real solution
Mathematics
Find the value of the determinant.
A. -163 B. 39 C. -133 D. 133
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.log 
A. log 1 - 3 log 1 - 3 log x B. log(x - 1) + log(x2 + x + 1) - 3 log x C. log(x - 1) + log(x2 + 1) - 3 log x D. log x3 - log 1 - 3 log x
Mathematics