Answer:
Should be 2.94 inches.
Step-by-step explanation:
did the mafs
<span>Differentiating :
y' = 1 + sec^2(x),
</span><span>
cosπ=−1</span><span>
plug in pi = -1 ,for x:
1 + sec^2(pi) = 1 + (-1)^2
= 2</span>
Multiplying a number by 4/5 and then dividing by 2/5 is the same as multiplying by 2
