Question

Domain and range of f(x)=7x^2-2

Answer 1

DOMAIN:

real numbers

RANGE;

y≥-2

Answer 2

Domain: all real numbers

Range y≥ -2

Explanation:

The domain is the input values or x values

X can be any value so the domain is all real values

The range is the output values or y values

x^2 is positive or 0 The smallest value y can take is 0-2 or -2

The range is y≥-2