MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Sum of n Terms

If fx = x +...

Question

If $f (x) = x + 3$ and $g (x) = f (5 x)$ , then calculate the value of $g (2)$ .

A

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

13

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

E

23

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $13$
Given, $g (x) = f (5 x)$ , which gives $g (2) = f (10)$
Also given $f (x) = x + 3$
So, $f (10) = 10 + 3 = 13$
$\Rightarrow g (2) = f (10) = 13$

Suggest Corrections

thumbs-up

0

Similar questions

f (x) = \frac{x}{x + 1},

determine the value of g(2) if,

g (x) = f [\frac{1}{x + 1}] - \frac{1}{f (x + 1)} .

f (x) = x^{2} - 10

g (x) = 4 x + 3

, calculate the value of

f (g (2))

.

f : R \to R

satisfies the following conditions:
1)

f (- x) = f (x)

f (x + 2) = f (x)

g (x) = \int_{0}^{x} f (t) d t

g (1) = α

Then, the value of

g (x + 2) - g (2)

f (x) =

x^{2}

g (x) = 2 x

, calculate the value of

f (g (- 3)) - g (f (- 3))

.

\int f (x) d x = F (x)

\int f (5 x) d x

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Arithmetic Progression - Sum of n Terms

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon