Question

show that the function
defined byf(x)=2x^3 - 7 is bijective

​

Answer 1

Answer:

ANSWER

f:R→R,2x2−7∀x∈R

For each values of x there is a unique value of f and no x∈Ris left and f∈R which do not have a image and preimage respectively.

⇒f is one-one.

⇒f is onto.

⇒f is bijective.

HOPING THIS WILL HELP YOU PLZ MARK AS BRAINLIEST AND FOLLOW ME