Which expression can be used to determine the average rate of change in f(x) over the interval ?.

When do you think it’s best to take the psat (what grade year / when in the year)?

Give 2 examples of the sedimentation in the deep ocean?

How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beams’ wavelengths c. by forcing light beams to change direction d. by measuring light beams’ velocity