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umka21 [38]
3 years ago
10

Someone please help me I’ll give out brainliest please dont answer if you don’t know

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0

Answer:

3

Step-by-step explanation:

Plug -1 into 8x² - 5

8 (-1)² - 5 =

8 * 1 - 5 =

8 - 5 =

3

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Help please! I dont understand this, and ive been trying for a while now but i cant figure it out
Gemiola [76]

OK, f is the graph and g is the table.

f(-2) > g(-2)

f(-2) means the y coordinate of the graph when x=-2.  That's y=2, so f(-2)=2

g(-2) we look up in the table, g(-2)=1

So it's true that f(-2) > g(-2)

Answer: f(-2) > g(-2)   TRUE

-----

The characteristic of an absolute value function, possibly shifted and scaled, is the distinct V shape.   Clearly f is an absolute value function; the slopes are -1 and 1 and the vertex is at (-3,1) so f(x) = |x+3|+1

g kinda also has the characteristic V shape, but it has a slope of -3  in one place and -1 in the other, so it isn't a straight line.

Answer: f(x) and g(x) are absolute value functions.   FALSE

-----

For all x, f(x) > g(x)

Presumably this means for all x in g's domain, which is only five points.  We already checked x=-2; let's do the rest.

f(-5) = 3, g(-5) = 4

So at x=-5 it's not true

For all x, f(x) > g(x)   FALSE

-----

f(x) and g(x) intersect at exactly two points.

We already know they don't at x=-5 and x=-2.  Let's check the other three.

f(-5) = 3, g(-5) = 4

f(-4) = 2,  g(-4)=1

f(-3) = 1, g(-3) = 0

f(-2) = 2, g(-2) = 1

f(-1) = 3, g(-1) = 4

This one's tricky.   All we really know about g is the points listed.   g may be a parabola where the function is continuous between the table points.   If that's true the functions intersect at exactly two points.  We don't really know that for sure so I'll go with:

Answer: f(x) and g(x) intersect at exactly two points.  FALSE

I may be marked wrong on this last one but I'm sticking with my answer.

7 0
3 years ago
Read 2 more answers
Multiplicative Inverse Property 2 · a = 1 use the property
Korvikt [17]

Answer:

If you write a number as a fraction, that number's reciprocal is a fraction with the numerator and the denominator switched around. For example, the reciprocal of

4

5

is

5

4

. Some general rules to keep in mind:

-If the fraction has a

0

in the numerator, the reciprocal is undefined.

-If the fraction has a

0

in the denominator, the fraction itself is undefined. Thus it can't have a reciprocal.

-Any other fraction has exactly one reciprocal.

Finally, the reciprocal of a reciprocal is the original fraction. This means if you flip a fraction's numerator and denominator, and then flip them back, you get the number you started with.

Step-by-step explanation:

7 0
3 years ago
nicole used 24 pieces of fruit .if 1/6 of them were peaches how many peaches in all did janeen and nicole use to make their frui
Rzqust [24]
They used 4 peaches because if 1/6 of the 24 fruits were peaches then there were 4 peaches.
8 0
4 years ago
Read 2 more answers
3/7×2 5/6= <br> i just dont know what the answer is like my brain is really bad in the mornings
cestrela7 [59]

Answer:

Hello :)

Step-by-step explanation:

1 3/14

3/7*2 5/6= 1 3/14

8 0
3 years ago
Read 2 more answers
Define powers provide an example of power with an exponent of 2
shtirl [24]
Well not sure what you are asking, but If it is what I think it is, it would go like this: 
          2 
(9^2)

Then the answer should be 

9^4 since we multiply the exponents. 

If you mean this...

3^2....It would be same as 3 x 3 which we should know is equal to nine. 

Hope I helped! (Be sure to thank me!)
7 0
3 years ago
Read 2 more answers
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