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Llana [10]
1 year ago
6

Find f(-2) for f(x) = 3.2. O A. 2/1 OB. 36 O C. -36 OD. -12 3/4

Mathematics
2 answers:
Contact [7]1 year ago
7 0
A
f(-2)=3.2^-2
2^-2=1/2^2=1/4
3x1/4 =3/4
valina [46]1 year ago
3 0

Answer:

3/4 (A)

Step-by-step explanation:

replace x with -2 in the function

3 · 2^-2  = 3 · 0.25

3 · 0.25 = 0.75

0.75 = 3/4

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A phone is made in five different colours with three different storage capacities. How many combinations are there?
sattari [20]

Answer:

15 possible combinations

Step-by-step explanation:

In order to find the total number of combinations possible, we need to multiply the total number of different colors by the total number of storage capacities that each phone can have. Using the values provided we would get the following arithmetic expression...

5 colors * 3 capacities = 15

Therefore, we can see that there are a total of 15 possible combinations with these variations.

7 0
2 years ago
I need help on these questions.
IRINA_888 [86]
The answer should be y=x-2. To solve other questions like these, find the y-intercept on the y-axis and use rise over run to count the slope between the points. Here it rises 3 and runs 3, simplifying to one. The y-axis crosses at -2. Plug this into y=mx+b and you get y=x-2
7 0
3 years ago
Find f(4) if f(x)=−3x2+11x+37
amid [387]

Hi there!

\large\boxed{f(4) = 33}

f(x) = -3x² + 11x + 37

Substitute in 4 for x to find f(4):

f(4) = -3(4)² + 11(4) + 37

f(4) = -3(16) + 44 + 37

f(4) = -48 + 44 + 37

f(4) = 33

6 0
2 years ago
Read 2 more answers
2 Find the sum: 8 7 + - = ?​
alukav5142 [94]

Answer:

15

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Geometry, dont need explanation. Just those 3 questions.
Aloiza [94]

Answer:

1. B

2. A

3. C

Step-by-step explanation:

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