1) The domain of definition of f(x) =
x+ 7 is:

  Finding the Domain of a Function Defined by an Equation. In Functions and Function ... Find the domain of the following function: \,\left\{\left(2,\text{ }10 . [reveal-answer q=”fs-id1165135329797″]Show Solution[/reveal-answer] ... words; set-builder notation; interval notation. Line graph of -2<=x, -1<=x<3 Figure 7.

x+ 7 is:​ Explanation: x+7 = 4 -7 -7 x = -3.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

c

step-by-step explanation: