Q. What is the area of the region between the graphs of f(x)=x2+12x and g(x)=3x2+10 from x=1 to x=4 ?Choose 1 answer:(A) 364(B) 77(C) 45(D) 18
Find Difference of Functions: To find the area between two curves, we need to integrate the difference between the functions over the given interval. The difference between the functions f(x) and g(x) is: f(x)−g(x)=(x2+12x)−(3x2+10)
Simplify the Expression: Simplify the expression to find the integrand:f(x)−g(x)=x2+12x−3x2−10f(x)−g(x)=−2x2+12x−10
Integrate the Function: Now we integrate the function −2x2+12x−10 from x=1 to x=4:∫14(−2x2+12x−10)dx
Find Antiderivative: Find the antiderivative of −2x2+12x−10: Antiderivative = (−32)x3+(212)x2−10xAntiderivative = (−32)x3+6x2−10x
Evaluate Antiderivative: Evaluate the antiderivative from x=1 to x=4: [(−32)(4)3+6(4)2−10(4)]−[(−32)(1)3+6(1)2−10(1)]
Calculate Values: Calculate the values:[(−32)(64)+6(16)−40]−[(−32)(1)+6(1)−10][(−3128)+96−40]−[(−32)+6−10]