# find C

posted by
**Jen**
.

Graph of f(x) = -2x + C passes through (-2,7)

How do I find C.

TIA

Since f(x) = 7 when x is -2,

7 = -2(-2) + C = 4 + C

C = 3

posted by
**Jen**
.

Graph of f(x) = -2x + C passes through (-2,7)

How do I find C.

TIA

Since f(x) = 7 when x is -2,

7 = -2(-2) + C = 4 + C

C = 3