For Exercises 35–40, assume that C x a n d R x are in dollars and x is the number of units produced and sold.37. For the total-revenue function R x = 200 I n x Find Δ R a n d R ' x when x = 70 a n d Δ x = 1 .
For Exercises 35–40, assume that C x a n d R x are in dollars and x is the number of units produced and sold.37. For the total-revenue function R x = 200 I n x Find Δ R a n d R ' x when x = 70 a n d Δ x = 1 .
Solution Summary: The author compares the values of Delta R and R'(x).
Decide whether each limit exists. If a limit exists, estimate its
value.
11. (a) lim f(x)
x-3
f(x) ↑
4
3-
2+
(b) lim f(x)
x―0
-2
0
X
1234
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
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