Which of these expressions can be used to calculate the monthly payment for a 20-year loan for $215,000 at 5.4% interest, compounded monthly?
$215 000 0.0045(1 -0.0045) 240
(1 -0.0045)240 +1
B.
$215 000 0.0045(1 +0.0045) 240
(1 +0.0045)240 - 1
$215 p00 0.0045 (1 +0.0045) 240
(1 +0.0045)240 + 1
240
$215 p00 0.0045(1 -0.0045)?
(1 -0.0045)240 - 1
Yes

Rearrange the formula c^2 = a^2 + b^2 for b

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Which of the following graphs could represent a cubic function?