Question

Let f: R → R be defined as f(x) = x⁴. Choose the correct answer.
A. f is one-one onto
B. f is many-one onto
C. f is one-one but not onto
D. f is neither one-one nor onto.

Answer 1

Answer:

D

Step-by-step explanation:

for x=±1, f(x)=1, so many one

Negative values are never obtained by this function, so into