Answer:
brbtbrbjrffkfkfkrktkrjj4j4b5b5b5bbtbtvthttht
Do you want the formula?
the formula is y-y1=m(x-x1)
Function y is a function of cosine transformed by some operations, so cos can take values from interval <-1;1>, which means that this function can take values from interval <-7;-1>. The minimum value is -7. The graph will be very helpuf in this task to understand.
try using google with your voice
