Find y '.y = (3x - 4)(3x3 - x2 + 1)
A. 27x3 + 45x2 - 15x + 3
B. 36x3 - 15x2 + 45x + 3
C. 9x3 + 15x2 - 45x + 3
D. 36x3 - 45x2 + 8x + 3
Answer: D
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Find fx, fy, and fz.f(x, y, z) = e(yz + sin x)
A. fx = (cos x)e(yz + sin x); fy = e(yz + sin x); fz = e(yz + sin x) B. fx = (cos x)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) C. fx = e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) D. fx = (cos x + yz)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x)
Multiply.
? 
A. 
B. 
C. 
D. 
Find the relative maxima and relative minima, if any, of the function.
?
?
A. Relative maximum:
; No relative minima
B. No relative maxima; Relative minima 
C. Relative maximum: 
; Relative minimum 
D. No relative maxima or minima
Factor the trinomial.8y2 + 18y + 9
A. (4y - 3)(2y - 3) B. (8y + 1)(y - 9) C. (8y + 3)(y + 3) D. (4y + 3)(2y + 3)