Acompany produces two types of solar panels per year: x thousand of type a and y thousand of type b. the revenue and cost equations, in millions of dollars, for the year are given as follows. r(x, y)-5x + 7y c(x, y) x2-2xy+9y+3x -87y-6 determine how many of each type of solar panel should be produced per year to maximize proft. the company will achieve a maximum profit by selling solar panels of type a and sellingsolar panels of type b

honesty mood

step-by-step explanation:

step-by-step explanation:

infinity is the answer

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.