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wmaingrette1
15.10.2020 •
Mathematics
Shape A
3x^2 + 2
7x^2 + 4x + 8
Shape B
3x^2 + 2
If shape B is a square, which polynomial represents the difference of the areas of shape A and shape B?
A. 30x^4+12x^3+40x^2+8x+20
B. 8x^2+8x+12
C. 12x^4+12x^3+26x^2+8x+12
D. 32x^2+8x+28
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Ответ:
a. - f(x) = 1/3x + 8 b. - f(x) = 1/3x +25
Step-by-step explanation:
-8 is y-intercept, to reflect across x-axis, means to reverse the y's number. to "translate up" means to move up 17 units, simply adding 17 to 8 gives you 25.