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Andrej [43]
3 years ago
9

Which of the following ordered pairs lies on the graph of h(x) = -2x²?

Mathematics
1 answer:
Delvig [45]3 years ago
8 0

Answer:

i think 1-2

Step-by-step explanation:

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A circular pond has a diameter of 4.5 feet.Which is closest to the circumference of the pond
Snowcat [4.5K]
Circumference = πD

Circumference of the pond = π(4.5) = 14.14 ft (nearest hundredth)

Answer: 14.14 ft
3 0
3 years ago
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The graph shows the relationship between hours worked and total earnings for a store clerk. Let h represent hours worked and e r
Dovator [93]

Answer:

The answer is C.

Step-by-step explanation:

y = kx → e =

30

4

h → e = 7.5h

The independent variable is hours worked, h, and the dependent variable is total earnings, e. The independent variable is the input value of a function. The dependent variable is the output value of a function.

8 0
3 years ago
The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain? {5, 8} {-5, -8} {3, 8} {4, 7} {4, 8}
Savatey [412]
The range is the ouutput from inputing the input
basically
25=k²+2k+1 and 64=k²+2k+1
the values that satisfy both equations (not at the same tim) are the valuess that are the domain
solve each
25=k²+2k+1
minus 25 both sides (or recognize the perfect square trinomial, but anyway)
0=k²+2k-24
factor
0=(k+6)(k-4)
set to zero
k+6=0
k=-6
k-4=0
k=4
k=-6 or 4

64=k²+2k+1
minus 64 both sides
0=k²+2k-63
facor
0=(k-7)(k+9)
set to zer
k-7=0
k=7
k+9=0
k=-9
k=-9 or 7



so the domain has the numbers
-9,-6,4,7
it seems we only want the positive square roots so
answer is {4,7} is the domain
3 0
3 years ago
What is the difference (2 x - 3) - (x - 1)?<br> x minus 4<br> x minus 2<br> x + 2<br> x + 4
kupik [55]

Answer:

x - 2

Step-by-step explanation:

2x - x = x

-3 - -1 = -2

5 0
3 years ago
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11. Find the value of the expression: -7 + 11 - 6 + 8<br> Your answer
Dvinal [7]
The answer to -7 +11 -6 + 8 =6
6 0
4 years ago
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