2024 AP Calculus AB & BC Exam FRQ #4

Free Response Question 4 from the 2024 AP Calculus AB and AP Calculus BC exams.

Accumulation function. Non-calculator.
Finding values of functions defined by integrals. Fundamental Theorem of Calculus (FTC), Second Fundamental Theorem of Calculus (2nd FTC); critical points; derivative from slope of graph; second derivative of linear function

[Floral_skies]

I loved this frq, it was so easy as opposed to 5

[jomigs]

Dont critical points include endooints

[Thowe]

Hopefully I got atleast 7/9 on this, ik I missed h(6) but got the others. I think I got b right but not sure.

[nak_attak]

wait a second NO WAIT A SECOND I THINK I ACCIDENTALLY DID +1 INSTEAD OF -1 OMG

[heythere]

H prime of x is not the same as f prime of x…

[Yupyoubetcha]

The f(t) really threw me off on this one. Shouldnt it be f(x)?? Why the f(t)