Please help me with this function on a closed interval!

Answer:
(E) 13
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Equality Properties
Algebra I
Calculus
Antiderivatives - Integrals
Integration Rule [Fundamental Theorem of Calculus 1]: [tex]\displaystyle \int\limits^b_a {f(x)} \, dx = F(b) - F(a)[/tex]
Integration Rule [Fundamental Theorem of Calculus 2]: [tex]\displaystyle \frac{d}{dx}[\int\limits^x_a {f(t)} \, dt] = f(x)[/tex]
Step-by-step explanation:
Step 1: Define
[tex]\displaystyle \int\limits^4_0 {f'(t)} \, dt = 8[/tex]
[tex]\displaystyle f(4) = \text{unknown}[/tex]
Step 2: Integrate
Topic: AP Calculus AB/BC (Calculus I/II)
Unit: Integration
Book: College Calculus 10e