True
<span>Cos(A+B)=CosACosB-SinASinB
therefore Cos(A+A)= CosACosA - SinASinA
= Cos^2A - Sin^2A</span>
Answer:
b) y = f(x - 7) - 3
Step-by-step explanation:
it adds if its goes to the right and subtracts if it goes to the left
And when it goes down then it will also decrease in number.
that is why b) y = f(x - 7) - 3 is the correct answer to put
Answer:
y = 13x
Step-by-step explanation:
If "y" represents how much he earns total
and "x" represents the number of games sold
then the equation is
which can be simplified to
Answer:
$60
Step-by-step explanation:
If it is increasing annually then next year the savings will be $50+20% of $50
=>$50+$10
=>$60