Answer:
max = 8
min = -8
Step-by-step explanation:
Sinusoidal functions take the form of
y(x) = Acos(ωx + Ф) + k
where A is the amplitude.
k is your vertical shift.
Ф is your phase shift (horizontal shift).
In your case, you have
y = 8cos(x)
y = 8cos(x + 0) + 0
your amplitude is 8 and you're not shifting, so you max and min is just the positive and negative value of your amplitude.
12 - 2x - 3y5
12 - (2 * 4) - (3 * -4) 5
12 - 4 + 12 * 5
12 - 4 + 60
8 + 60
68
Answer:
92
Step-by-step explanation:
1,374 ÷ 15 = 91.6
you can't have .6 of a box so you add an extra one to make 92
(I'm assuming the first term is 10 b squared)
The first thing you need to know before diving in is to find the factors of 10 and 3.
10 = 1x10, 2x5
3 = 1x3
Next you will have to find a combination that when multiplied the middle term is 17. In this case it is 2x5 and 1x3. We can test it out by setting it up in binomials.
(2b + 3)(5b + 1) = 10b squared + 2b + 15b + 3 = 10b squared + 17b + 3.
The reason why the binomials are additions is because both the middle and end terms are positive.
Hope this helps!
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