Determine whether f is continuous at c.f(x) = 
;c = 9
A. continuous
B. not continuous
Answer: B
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For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.a is the number of years of formal education of an adult living in the United States, and b is his or her age in years.
A. a is a function of b B. Both C. Neither D. b is a function of a
Find the constant of proportionality for the stated conditions: z is directly proportional to t, and 
when 
.
Fill in the blank(s) with the appropriate word(s).
Find the general form of the equation of the the circle.Center at the point (-4, -2); tangent to x-axis
A. x2 + y2 + 8x + 4y + 24 = 0 B. x2 + y2 + 8x + 4y + 4 = 0 C. x2 + y2 + 8x + 4y + 16 = 0 D. x2 + y2 - 8x - 4y + 16 = 0
Find the indicated term of the geometric sequence.a = 4, r = -3; Find the 6th term.
A. 324 B. -243 C. -8748 D. -972