*easy* & will mark does the image above mean no solution or infinite solutions? let me know!

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.