20 DIFFERENTIATION 07. -
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y EXERCISE 12
olve the questions below:
I The length of a rectangle is always four times its width. If the width is increasing at a rate of
0.3 cm/s, find the rate of change of the area when its perimeter is 20 cm​

step-by-step explanation:

just plug in each number for x and see which ones work and don't

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

x

step-by-step explanation: