Determine whether f is continuous at c.f(x) = 
; c = -7
A. not continuous
B. continuous
Answer: B
Mathematics
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Solve the problem.The area of a circle varies directly as the square of the radius of the circle. If a circle with a radius of 
has an area of 78.5 square inches, what is the area of a circle with a radius of 18 inches?
A. 1019.76 in2 B. 1017.36 in2 C. 56.52 in2 D. 113.04 in2
Mathematics
Evaluate as requested.Given that h(x) = 2x - 
, find h(-x).
A. -2x - 
B. -2x - 
C. 2x - 
D. -2x + 
Mathematics
Multiply. Simplify by combining like terms.
A. x2 + 
y2
B. x2 - 
xy + 
y2
C. x2 - 
xy - 
y2
D. x2 - 
xy + 
y2
Mathematics
Use the quadratic formula to solve the quadratic equation.4y2 + 2 = -10y
A. 
B. 
C. 
D. 
Mathematics