Write the direct variation if y=3 and x=10

my acc plz

step-by-step explanation:

8

step-by-step explanation:

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2