Question

If g(x) = ∫cos⁴tdt for t ∈ [0, x], then g(x + π) equals

(A) g(x) + g(π)

(B) g(x) - g(π)

(C) g(x)g(π)

(D) g(x)/g(π)

Answer 1

Answer is (A) g(x) + g(π)