Бр — 3 2 — 4р – 7

Please help me solve this for math test

What is the range of this function? all real numbers such that y ≤ 40 all real numbers such that y ≥ 0 all real numbers such that 0 ≤ y ≤ 40 all real numbers such that 37.75 ≤ y ≤ 40

After two years, how much has been paid into interest?

If a || b and e || f , what if the value of y ?