Grace earns $12 per hour. Phillip's earnings can be represented by the equation y = 10x where x is the number of hours worked and y represents the total amount earned. Who earns more? *

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

Do, h = (7, 9) (14, 18) the scale factor is