Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -1.81
A. Yes B. No
Mathematics
Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.x2 - y2 = 7.82x = 2y - 5
A. {(-6.31, -5.65), (2.97, -1.01)} B. {(-2.97, 1.01), (6.31, 5.65)} C. {(-6.31, 5.65), (2.97, 1.01)} D. {(-2.97, -1.01), (6.31, -5.65)}
Mathematics
Find the reciprocal of the number.
A. - 
B. - 
C. 
D. 1
Mathematics
Find the degree of the polynomial.x6 + y4 - 3x4y
A. 4 B. 7 C. 15 D. 6
Mathematics