Answer:
-2x³ + 16x² + x - 15
Step-by-step explanation:
Multiply the equation in the right bracket with the minus sign
3x3 + 12x2 - 10 - 5x3 + 4x2 + x - 5
Collect like terms
= 3x3 - 5x3 +12x2 + 4x2 + x - 10 - 5
= -2x³ + 16x² + x - 15
Answer:
3 will be the first piece
6 will be the second piece
21 will be the second piece
Think: To write the equation of a line in slope-intercept form y=mx+b, you must have the slope (m) and the y-intercept (b).
g(0)= -6 tells us that the y-intercept is (0, -6). Thus, b= -6.
(0,-6) and (15,-9) are points on the line. Find the slope of the line. It is:
-9-(-6)
m = ------------- = -3/15 = -1/5
15-0
Thus, the equation of the line in question is y=(-1/5)x - 6.
Important that you understand that g(0)=-6 is also represented by (0,-6), and that -6 is the y-intercept.
Use the compound amount formula for continuous compounding:
A = Pe^(rt)
Here,
A = $3000e^(0.055^5) = $3950 (rounded up from $3949.59)
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