D because its more formal then the other ones.
Answer:
Slope of the tangent line at x=-1

Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given function
y = f(x) = e ˣ⁻⁴ ...(i)
Differentiating equation (i) with respective to 'x' , we get


Slope of the tangent line

Answer:
Hey dude!
The answer is
area of triangle AED=
AE x DE
How I got this answer:-
Area of a triangle is
base x altitude.
Here, the base of the triangle is DE
And its altitude is AE
Hence, the area would be:-
AE x DE
Answer: No
Step-by-step explanation:
I can’t think of one but if you have a pegboard there is a formula called Pick’s Formula
Answer:
Step-by-step explanation:
total marbles=5+8+4+3=20
when he is drawing without replacing means red marble is drawn from 20 marbles.
Blue marble is drawn from 19 marbles.
when he is drawing with replacing means he draws one red marble from 20 marbles.Then he replaces it and draws blue marble from 20 marbles also.