Question

Find the total area of the region between the curve and the x-axis.

y = 2x + 7; 1 ≤ x ≤ 5
how would i do this??

Answer 1

Integration gives the area under the curve (first fundamental theorem of calculus)
\[ \int_{1}^{5} y(x) dx\]

Answer 2

i'm so tired of doing this... from my choices i''m guessing 9??

Answer 3

52! got it. thank youuu

Answer 4

tired??? use wolfram
you don't have to guess
http://www.wolframalpha.com/input/?i=integrate+2x+%2B+7+from+1+to+5

Answer 5

it was a test...looong test...