True or False: A relation passing the horizontal line test is a function.

True.

Step-by-step explanation:

Remember that the horizontal line test checks if a function is one-to-one. If a horizontal line passes through a graph more than once, the function has more than one x-value for at least one y-value.

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450