exam Maths Puzzle Numerical Ability

DETERMINE WHETHER THE RELATION IS A FUNCTION. {(-4,-1), (-2,1), (4,-8), (8,6)}

Read Solution (Total 0)

exam Other Question

Sue travels 5mph less than twice as fast as June. Starting at the same point and traveling in the same direction, they are 80 miles apart after 4 hours. Find their speeds. Multiply the following.

(x/3 + 3/4)(3x/4 - 3/5)
This one is different and it contains fractions. Please help me?