Find the partial derivative.Let z = f(x, y) = x3 + 8x2y + 5xy3. Find 
.
A. 3x2 + 16xy + 5y3
B. 3x2 + 16x + 5
C. 3x2 + 16xy + 15xy2
D. 8x2 + 5xy2
Answer: A
Mathematics
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Find all angles in degrees that satisfy the equation.tan x = -1
A. 
B. 
C. 
D. 
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Write the first five terms of the geometric sequence with the first term a1 and common ratio r.a1 = 3, r = -2
A. 3, -5, -7, -11, -19 B. 3, -6, 12, -24, 48 C. 3, -6, -12, -24, -48 D. 1, -3, 6, -12, 24
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Find the requested function value.Find (g ? f)(26) when f(x) = 
and g(x) = 7x + 2.
A. 
B. 44
C. 54
D. 1104
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Find the slope and the y-intercept of the line.5x + 9y = 61
A. Slope 1
; y-intercept 
B. Slope 
; y-intercept 
C. Slope -1
; y-intercept 
D. Slope - 
; y-intercept 
Mathematics