Write the formula using the "language" of variation. A = ?r2, where A is the area of a circle of radius r.
What will be an ideal response?
The area of a circle varies directly as the square of its radius.
Mathematics
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Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Solve the inequality using the x-intercept method or the intersection-of-graphs method. Express the solution set in interval notation.-3y - 1 > -4y - 9
A. (-10, ?) B. (-?, -10) C. (-8, ?) D. (-?, -8)
Mathematics
Find the nth term an of the geometric sequence.5, 
, 
, 
, . . .
A. an = (5)
n
B. an = 
n-1
C. an = (5)
n-1
D. an = (5)
n-1
Mathematics
Simplify the expression by combining like terms.8x - 12x + x
A. -4x B. -5x C. -3x D. -4x + x
Mathematics