Q.

⨍ :R→R,⨍ (x)=x2+4x+30x2-8x+18 is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Many-one & onto

b

One-one & into

c

One- one & onto

d

Many-one & into

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

⨍ (0)=3018=53=x2+4x+30x2-8x+18⇒x=0,x=26

⨍ (0)=⨍ (26)→⨍  is not one-one Let y=x2+4x+30x2-8x+18 disc0

y2-32y0y16-243,16+243 not onto.

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon