Y4 +3xy+x=2y, start superscript, 4, end superscript, plus, 3, x, y, plus, x, equals, 2y find the value of d y d x dx dy start fraction, d, y, divided by, d, x, end fraction at the point ( 2 , 0 ) (2,0)left parenthesis, 2, comma, 0, right parenthesis.

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y