Answer:
48/73
Step-by-step explanation:
cosine = adjacent/hypotenuse
= 48/73
Answer:
A.) 
Step-by-step explanation:
f(-2) means plug in -2 in for x for the equation f(x), therefore,
f(-2) = 
There are no solutions. By definition of absolute value,
, so
. The left side will always be positive, and a positive number cannot also be negative.