Plz
in which of the following functions is f(−x) = f(x)?

y = sin(x)
y = x
y = x2
y = x1/3

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Someone me what is the area of this figure? 18m 18m 8m 16m

Plz hurry evaluate the expression a+b where a=8 and b=19