Determine the Equation of the Tangent Line at X=0 and the Value

Multiple Choice

Determine the equation of the tangent line at x=0 and the value of f(x) at x=1.5 given $f(x) =a^{x}$ for all values of a

A) y=(ln a) x+1, y=1.5(ln a) +1
B) y=(ln a) (a^1.5) x-1, y=-1
C) y=(a^1.5) [(ln a) x-1], y=-1
D) y=(ln a) x-1, y=1.5(ln a) -1
E) y=(ln a) x-1, y=1.5