Please help will mark brainliest geo

Which of the following is the true for f(x) = 5cos

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

How do you write 600 as a product of its prime factors (index! )