Solve.y varies directly as the square of x. If y = 72 when x = 3, find y when x is 9.
A. 648
B. 24
C. 27
D. 216
Answer: A
Mathematics
You might also like to view...
Find an explicit formula for an.0, 2, 0, 2, 0, . . .
A. an = 1 - (-1)n B. an = 1 + (-1)n C. an = 1 + (-1)n-1 D. an = 1 + (-1)n+1
Mathematics
Write the fraction in lowest terms.- 
A. - 
B. 
C. 
D. - 
Mathematics
Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; R = {(x, y): 0 ? x ? 1, 1 ? y ? 3}
A. 28 B. 36 C. 26 D. 38
Mathematics
Find the difference and check.4.2 - 3.585
A. 1.615 B. 0.785 C. 2.000 D. 0.615
Mathematics