Bottom answer is correct: d {0, 1, 2, 3}, r {-5, -2, 3, 4}, relation is a function
Answer:
set mary is x years old, and helen is y years old.
first sentence:x=2y
second one:4(y-8)=x+4
bring x=2y in 4(y-8)=x+4
=>4y-32=2y+4
=>2y=36
=>y=18
=>x=36
mary:36
helen:18
Answer: answer is 0
Step-by-step explanation:
F(0)=2(0)+5
F(0)=0+5
F(0)=5
You need to multiply 30 by 6 so 30times6 =your answer
$x=3$ I think that’s it... try that