Warm up problem 9: simple integrals.
Calculus
Level
2
Find the area contained beneath the curve of from -4 to 4, and above the x-axis.
The answer is 160.
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1 solution
Sorry about the previous wrong answer. I thought 4*4=14....
Anyway, we start by integrating the function to y = x 3 + x + c plugging in the values of 4 and -4, we get 80+c and -80+c respectively. Thus 8 0 + c − ( − 8 0 + c ) = 1 6 0