Solve the radical equation.
= x + 6
A. {9}
B. {-8}
C. {8}
D. {-7}
Answer: C
Mathematics
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Find the x-intercepts.f(x) = 8x + x(x + 1)
A. (0, 0) and (-9, 0) B. (9, 0) C. (-9, 0) D. (0, 0) and (9, 0)
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Write the fraction in simplest form using the method of your choice.
A. 
B. 3
C. 
D. 
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 22.5°
A. 
B. - 
C. - 
D. 
Mathematics
Solve the problem.How long, to the nearest tenth of a year, will it take for a $2800 investment to double if it is invested at 
compounded semiannually? Use the formula 
.
A. 13.8 yr B. 14 yr C. 14.2 yr D. 14.4 yr
Mathematics