In a study using 50 foreign-language vocabulary words, the learning rate L (in words per minute) was
found to depend on the number of words already learned, x, according to the equation
L(x) = 200.4x.
a) State the coordinates of the x-intercept.
b) State the coordinates of the y-intercept.
c) State the slope.
d) Graph the linear function for x ≥ 0. (Label the axes)