Solve the equation.
= 
+ 4
A. {120}
B. {-60}
C. {60}
D. {-120}
Answer: C
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Write the function f as a set of ordered pairs. Give the domain and range of f.f(b) = -5, f(c) = -5, f(d) = -5, f(e) = -5
A. f = {(-5, b), (-5, c), (-5, d), (-5, e)}; D = {b, c, d, e}; R = {-5} B. f = {(b, -5), (c, -5), (d, -5), (e, -5)}; D = {-5}; R = {b, c, d, e} C. f = {(b, -5), (c, -5), (d, -5), (e, -5)}; D = {b, c, d, e}; R = {-5} D. f = {(-5, b), (-5, c), (-5, d), (-5, e)}; D = {-5}; R = {b, c, d, e}
Graph the ellipse.16x2 + 10y2 = 160
A. 
B. 
C. 
D. 
Reduce to lowest terms.
A. 
B. 
C. 
D. 
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.A $220.00 dress is on sale for 40% off. Find the discount and the sale price.
A. discount: $8.80; sale price: $2112.00 B. discount: $88.00; sale price: $2112.00 C. discount: $8.80; sale price: $132.00 D. discount: $88.00; sale price: $132.00