Answer:
21
Step-by-step explanation:
f(x) = 2x^2 - x
f(-3) = 2*(-3)^2 - (-3)
=2*9 +3
=18 +3
=21
Answer: It's not a function because the line is curved, and it has an exponent in the equation which makes the line curved instead of straight which will make x repeat.
Answer:
$638.14
Step-by-step explanation:
Our equation is
, with p being the starting amount, x being the interest rate, and t being the time. Plugging our variables in, we get
= around 638.14
Answer:
Cost price=100%
Step-by-step explanation:
Answer:
The answer is 15 weeks.
Step-by-step explanation:
Hope that helps. :)
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