Graph the linear inequality.y ? - x + 3

A.  

B.  

C.

D.  


Answer: C

Mathematics

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Factor. Assume that variables in exponents represent natural numbers.512x3a - 125y3b

A. (8xa + 5yb)(64x2a - 40xayb + 25t2b) B. (8xa - 5yb)(64x2a + 40xayb + 25t2b) C. (8x - 5y)(64x2a + 40xayb + 25t2b) D. (8xa - 5yb)(64xa + 40xayb + 25tb)

Mathematics

Find the quadratic approximation of f at x = 0.f(x) = esin 2x

A. Q(x) = 1 - 2x + 2x2 B. Q(x) = 2x + 2x2 C. Q(x) = 2x - 2x2 D. Q(x) = 1 + 2x + 2x2

Mathematics

Solve the equation on the interval 0 ? ? < 2?.2 cos2 ? - 3 cos ? + 1 = 0

A. 0, 
B. 0, 
C. 0, 
D.

Mathematics

Tell whether the expression is a polynomial. If it is, give its degree.-9y7 - 

A. Polynomial; degree -9 B. Polynomial; degree 3 C. Polynomial; degree 4 D. Not a polynomial

Mathematics