Answer:
c. 38$
Step-by-step explanation:
r(n)=3n-1
X+2y=4
+-x-4y=-14
——————
-2y=-10, y=5, x=4-10=-6
y = ¼x + 2
m1 = ¼
m of line perpendicular = m2
the formula is : m1×m2 = -1
=> m2 = -1 ÷ m1
= -1 ÷ ¼ = -4
so, the equation is :
y = -4x - 7 (option A)
