Graph the integrand and use areas to evaluate the integral.
-$$\int _ { 18 } ^ { 22 } x d x$$
A) 20
B) 80
C) 40
D) 160

Name: Graph the integrand and use areas to evaluate the integral. -\[\int _ { 18 } ^ { 22 } x d x\] A) 20 B) 80 C) 40 D) 160
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The area of the triangle with base 4 and height 22 is 44. The area of the triangle with base 4 and height 18 is 36. The area between the two triangles is 80.

Graph the Integrand and Use Areas to Evaluate the Integral ∫1822xdx\int _ { 18 } ^ { 22 } x d x∫1822​xdx

Graph the Integrand and Use Areas to Evaluate the Integral $\int _ { 18 } ^ { 22 } x d x$