Question

If f(x) =
√2x+3
6x-5
a. 1
b. -2
then f() =
C. -1
d. - 13

Answer 1

put 1/2as a value of x in the equation and then solve .then the answer will be -1

Answer 2

`C.\ f\left( (1)/(2) \right) =-1`

Explanation:

`f\left( x\right) =(√(2x+3) )/(6x-5)`

In order to calculate f(1/2) ,all we have to do

is replacing x by 1/2 in the expression of f.

Then

`f\left( (1)/(2) \right) =\frac{\sqrt{2\left( (1)/(2) \right) +3} }{6\left( (1)/(2) \right) -5 }`

`=(√(1+3) )/(3-5)`

`=(√(4) )/(-2)`

`=(2)/(-2)`

`=-1`