Answer:
it is a Function
Step-by-step explanation:
because it doesnt fail the vertical test
If Nigel has 66 pens and Kat has 1/3 pens of Nigels than you would have to find 1/3 of 66 which is 22
Then you would add 66+22=88
They have 88 pens altogether
Hope this helps :)
Answer:
4 girls and 2 boys.
Step-by-step explanation:
7+14+21+28+...+105=1*7+2*7+3*7+4*7+...+15*7
15
∑7*n=7*1+7*2+7*3+7*4+...+15*7=7+14+21+28+...+105
n=1