Determine which, if any, of the following functions might be used as a model for the data: Linear, with 
quadratic, with 
quadratic, with with 
neither linear nor quadratic. IA Robotics
Year
A. f(x) = ax2 + bx + c, a > 0
B. f(x) = ax2 + bx + c, a < 0
C. f(x) = mx + b
D. neither linear nor quadratic
Answer: D
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Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
B = 37°, b = 49.7
A. A = 37°, a = 37.5, c = 82.6 B. A = 53°, a = 66, c = 62.2 C. A = 37°, a = 37.5, c = 39.7 D. A = 53°, a = 66, c = 82.6
Complete.50 m = 
cm
A. 500 B. 0.5 C. 5.0 D. 5000
Use an annuity table to solve the problem. Round to the nearest cent.If Bob deposits $5000 at the end of each year for 12 years in an account paying 8% interest compounded annually, find the amount he will have on deposit.
A. $89,885.63 B. $83,227.44 C. $107,476.48 D. $94,885.63
Solve the problem.Consider all rectangles with an area of 256 cm2. Let x be the length of one side of such a rectangle. Express the perimeter as a function of x and determine the dimensions of the rectangle that has the least perimeter.
A. P(x) = 2x + 
; 16 cm × 16 cm
B. P(x) = 256x ; 8 cm × 32 cm
C. P(x) = x + 
; 16 cm × 16 cm
D. P(x) = 2x + 
; 4 cm × 64 cm