Graph the equation by plotting points.y = x + 1
A. 
B. 
C. 
D. 
Answer: B
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Determine all values that cause the expression to be undefined.
A. 0 B. -5 , 9 C. 5, -9 D. -45
Use substitution to factor the polynomial.60z6 + 123z4 + 60z2
A. 3(4z4 + 5)(5z2 + 4) B. 3z2(5z2 - 4)(4z2 - 5) C. (12z3 + 15)(5z3 + 4) D. 3z2(4z2 + 5)(5z2 + 4)
Graph the ellipse and locate the foci.16x2 + 9y2 = 144 
A. foci at (
, 0) and (-
, 0)
B. foci at (4, 0) and (-4, 0)
C. foci at (5, 0) and (-5, 0)
D. foci at (0, 
) and (0, -
)
Solve the problem.A farmer has 1800 yards of fencing to enclose a rectangular garden. Express the area A of the rectangle as a function of the width x of the rectangle. What is the domain of A?
A. A(x) = x2 + 900x; {x|0 < x < 900} B. A(x) = -x2 + 900x; {x|0 < x < 1800} C. A(x) = -x2 + 900x; {x|0 < x < 900} D. A(x) = -x2 + 1800x; {x|0 < x < 1800}