Answer
(a) The rate at which the percentage of electrical power produced by solar panels is changing, in percentage points per year.
(b) On January 1, 2002, the percentage of electrical power produced by solar panels was increasing at a rate of 3.5 percentage
points per year.
Work Step by Step
(a) The rate at which the percentage of electrical power produced by solar panels is changing, in percentage points per year.
(b) On January 1, 2002, the percentage of electrical power produced by solar panels was increasing at a rate of 3.5 percentage
points per year.