Which expression is equivalent to

B.

Step-by-step explanation:

When there is an exponent of another exponent, you can multiply them together:

As such, the expression in the image can be simplified to

, or r ^ -42.

Negative exponents can also be represented by positive exponents in the denominator of a fraction.

For instance, can be rewritten as .

The correct answer is .

the photograph is photographer and- in the process- ourselves.

step-by-step explanation:

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.