Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = -(x + 1)2 - 3
B. f(x) = -(x - 1)2 - 3
C. f(x) = -(x + 1)2 + 3
D. f(x) = (x + 1)2 - 3
Answer: A
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Solve.A picture 19 in. by 25 in. is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture (that is, the area encompassed by the outer edges of the matboard) is 964.4 in.2? Express result to the nearest tenth of an inch.
A. 7.1 in. B. 4.6 in. C. 5.6 in. D. 6.6 in.
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. x-intercept: 
, no y-intercepts ;
C. No x-intercepts, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
Solve the problem.A merchant has coffee worth $40 a pound that she wishes to mix with 90 pounds of coffee worth 
a pound to get a mixture that can be sold for 
a pound. How many pounds of the 
coffee should be used?
A. 120 pounds B. 30 pounds C. 60 pounds D. 15 pounds
Use the graph of 
to write an equation for the function whose graph is shown.
?
?
A. 
B. 
C. 
D. 
E. 