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Katena32 [7]
3 years ago
7

Evaluate the function. f(x)=-4x^2+10 find f(-2)

Mathematics
1 answer:
Julli [10]3 years ago
8 0

Answer:

f(-2)=-6

Step-by-step explanation:

f(x)=-4x^{2} +10

At x=-2

f(-2)=-4(-2)^{2} +10

f(-2)=-4(4) +10

f(-2)=-16 +10

f(-2)=-6

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Which does not describe the same situation y=3x+5
Naddika [18.5K]
Given the function. y = 3x + 5

For, x = -3; y = 3(-3) + 5 = -9 + 5 = -4
For x = 1; y = 3(1) + 5 = 3 + 5 = 8
For x = 4; y = 3(4) + 5 = 12 + 5 = 17

Thus the table representing the function is the table with: -3, 1 and 4 as x-values and -4, 8, 17 as y-values.

For x = 0; y = 3(0) + 5 = 0 + 5 = 5
For y = 0; 0 = 3x + 5; 3x = -5 and x = -5/3

Thus the graph of the function is a straight line passing through points (0, 5) and (-5/3, 0).

To illustrate the fuction as a word statement we say that y is five more than three times x


From the given descriptions, the graph does not represent the graph of y = 3x + 5.

Therefore, the one that does not describe the same situation is the graph.
3 0
3 years ago
Please give an explanation on why the answer is the answer PLEASE ANSWER I WILL GIVE BRAINLIEST
tester [92]

Answer: y=2x+3

Step-by-step explanation:

8 0
3 years ago
Can you simplify 14x+11 please??
ad-work [718]

Answer:

It cannot be further simplified

Step-by-step explanation:

11 is a prime number, so there are no numbers that can go into 14 and 11 (besides 1 and 1 would not simplify the problem)

6 0
3 years ago
Please help, thanks.
Svetllana [295]

\text{Apply Pythagorean theorem,}\\ \\~~~~~~12^2 = 3^2 + h^2\\\\\implies h^2 = 12^2 -3^2\\\\\implies h^2 = 144-9\\\\\implies h^2 = 135\\\\\implies h = \sqrt{135}\\\\\implies h = 3\sqrt{15}\\\\\implies h \approx 11.62

6 0
2 years ago
Read 2 more answers
Two positive, consecutive, odd integers have a product of 143. set up an equation to then solve for the integers.
mixer [17]

Answer:

Step-by-step explanation:

Let (2n-1) and (2n+1) be the consecutive, odd numbers.

(2n-1)(2n+1) = 143

4n² - 1 = 143

4n² = 144

n² = 36

n = 6

2n-1 = 11

2n+1 = 13

The numbers are 11 and 13.

6 0
3 years ago
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