Find the indicated term or coefficient of the binomial expansion.Find the coefficient of y4 in the expansion of (y + 5)9.
A. 78,750
B. 126
C. 393,750
D. 3125
Answer: C
Mathematics
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xy2 - yx2, P0(-1, 1)
A. 
i - 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Mathematics
Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy the following inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (4, -6)
A. (x - 6)2 + (y + 4)2 = 36 B. (x + 6)2 + (y - 4)2 = 36 C. (x + 4)2 + (y - 6)2 = 6 D. (x - 4)2 + (y + 6)2 = 6
Mathematics
Estimate by rounding as directed.532.432 - 25.9; nearest tenth
A. 506.7 B. 506.5 C. 496.5 D. 506.6
Mathematics