£1 = €1.45 If a graph was plotted on the axes below to
show the relationship between pounds and
euros the points (0, a) and (1.5) would
be on the line
Work out the values of a and b

Write the rational number in lowest terms 99/-15

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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)