Write the equation of the cosine function that, compared to f (x) = cos x, is shifted up 2, left 4, and vertically stretched by a factor of 3.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Write an equation for the function that includes the points (2,100)and (3,100)

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?