What types of lines are coplanar and intersect at a right angle? A. parallel
B. perpendicular
C. skew
D. transversal

B

Step-by-step explanation:

perpendicular is right angle

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2