Find the root. Assume that all variables represent nonnegative real numbers. 
A. 9x4y2
B. not a real number
C. 3x2y4
D. 4.264x2y4
Answer: C
Mathematics
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For the piecewise function, find the specified function value.f(x) = {
f(7)
A. 49 B. -49 C. 81 D. 5
Mathematics
Solve the equation.-7x + 5 + 6(x + 1) = 2x - 3
A. 
B. 
C. {2}
D. 
Mathematics
Find the perimeter of the triangle.
A. 66 cm B. 65 cm C. 64 cm D. 255 cm
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = 3
A. continuous B. not continuous
Mathematics