Answer:
f(-2) = 9
Step-by-step explanation:
Given that,
f(x) = x² + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2)² + (-2) + 7
= 4-2+7
= 9
Hence, the value of f(-2) is equal to 9.
Answer:
45°
Step-by-step explanation:
size of each angle = 360°÷8
8 are the number of sides
you get 45°
Step-by-step explanation:
since the sumation of f(x) of a probability is 1
thw probability to win is o.5 and to lose is o.5 so expected value is xf(x
your expected value will b 0.5 multiply by 5 thats is 2.5 thats your expected gain
Answer:
Yes it is correct because the corresponding lines are all together.
sorry if i was wrong this is how i did mine and got 100% on the question.
Answer:
£230,000
Step-by-step explanation:
5 percent of £200,000 is £10,000 (200,000*0.05)
3 years have passed from 2014 to 2017
3 * 10,000 = 30,000
£200,000 + £30,000 = £230,000