Find the exact value of the expression.cos-1 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.(5s-2)2
A. - 
B. 
C. 
D. 
Mathematics
Completely factor the polynomial or state that the polynomial is prime.15z2 - 4z - 4
A. (15z - 2)(z + 2) B. (3z - 2)(5z + 2) C. (3z + 2)(5z - 2) D. prime
Mathematics
Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) > 0
A. ? B. {3} C. (-?, ?) D. (-?, 3) ? (3, ?)
Mathematics
Compare the graph of the given quadratic function f with the graph of y = x2.f(x) = -(x + 9)2
A. Translated 9 units right and opens downward B. Translated 9 units right C. Translated 9 units left and opens downward D. Translated 9 units left
Mathematics