Solving 3x^2-3x-4=0 using the quadratic formula

439400

step-by-step explanation:

130^2 = 16900

16900*26 = 439400

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.