Find the value of the variable that satisfies the equation.9x - 4 = 86
A. x = 10
B. x = 81
C. x = 13
D. x = 85
Answer: A
Mathematics
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Find the indicated value of the function.f(x) = 
, find f(0)
A. 4 B. 9 C. 2 D. 3
Mathematics
Find the vertices of the ellipse.36(x + 1)2 + 9(y - 1)2 = 324
A. (-1, 1 - 3
), (-1, 1 + 3
)
B. (0, 7), (0, -5)
C. (1, 7), (1, -5)
D. (-1, 7), (-1, -5)
Mathematics
Solve.Three times the square of the difference between a number and 5 is -75. Find the number(s).
A. 5 + 5i
and 5 - 5i
B. 5 + 5i and 5 - 5i
C. -5 + 5i and -5 - 5i
D. 5i + 5 and 5i - 5
Mathematics
Find the numerical value of the rational expression for the given value of r.
, r = -4
A. 
B. - 
C. - 
D. - 
Mathematics