Select the expression that is equivalent to 48 +12
2 answers:
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Answer:
x =
Step-by-step explanation:
given
cos(x - ) = - 1, then
x - =
(- 1) = π
Add to both sides, hence
x = π + =
1. The rule is that for something to be a function, one input(x-value) can ONLY HAVE ONE output(y-value). If one input has more than one output, it is not a function. Your answer is #1 because you can only have 1 output
2. Since you've been given the input -> x = -10, substitute/plug it into the equation to find the output:
Plug in -10 into "x"
y = -15 + 6
y = -9 Your answer is #2