Mark works strictly on commission of his gross sales from selling two different products for his company. last month, his gross sales were 87,000. if he earns 6% commission on product a and 4% commission on product b, what were his gross sales on each product if he earned 4,780 in total commission

Which of the following is true for the relation f(x)=2x^2+1

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)

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.