Find fx, fy, and fz.f(x, y, z) = xz
A. fx = z
; fy = 
; fz = x
B. fx = z
; fy = - 
; fz = x
C. fx = z
; fy = 
; fz = x
D. fx = z
; fy = - 
; fz = x
Answer: A
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Write the ratio in fractional form and simplify completely.68 yards : 68 yards
A. 
B. 
C. 
D. 
Divide the first polynomial by the second and state the quotient and the remainder.2x5 - x4 + 3x2 - x + 5, x - 1
A. Quotient: 2x4 + x3 + x2 + 4x + 3; remainder: 8 B. Quotient: 2x4 - 3x3 - x; remainder: 6 C. Quotient: 2x4 + x3 - x2 + 2x + 1; remainder: 6 D. Quotient: 2x4 + x3 + 4x2 + 3x; remainder: 8
Use the Binomial Theorem to find the indicated coefficient or term.The 3rd term in the expansion of (8x + 2)3
A. 96x B. 192x C. 384x2 D. 4
Solve.Peter scored 68, 84, and 98 on three tests. How much must he score on the next test to have at least an 85 average?
A. at least 63 B. at least 83 C. at least 90 D. at least 29