If the line y=4x+3 is tangent to the curve y=x^2 + c, then c is
A) 2
B) 4
C) 7
D) 11
E) 15
Please show work, thanks :-)
A) 2
B) 4
C) 7
D) 11
E) 15
Please show work, thanks :-)
-
Solve y' = 4 = 2x,
x = 2, y = 4x+3 = 11
11 = 2^2 + c
c = 7
Answer: C
x = 2, y = 4x+3 = 11
11 = 2^2 + c
c = 7
Answer: C