Home › AP EAPCET (Engineering) › Mathematics › Algebra: Functions › If f sends every integer to 0, the preimage of 0…
If f sends every integer to 0, the preimage of 0 is
Aonly the set {0}
Ball the integers
Cthe empty set
Donly the set {1}
Answer & Solution
Correct answer: B. all the integers
Every integer maps to 0, so all of them belong to the preimage of 0.
Related questions
A differentiable function with always positive derivative on an interval isIf F = 9C/5 + 32 converts Celsius to Fahrenheit, the inverse formula is C =If g(f(x)) = 6x + 5 where f(x) = 2x + 1, then g(x) equalsThe real function f(x) = x/(x² - 4) is undefined atIn the composite g∘f, which function is applied first?A function from a set X into the one-element set {s} sends every x toThe identity function on a set X sends each element x toA bijective function is one that is both