3 years ago

Item 12

Mathematics

1 answer:

Akimi4 [234]3 years ago

3 0

y -3x =1

add 3x to each side

y = 3x+1

The coefficient for x is 3 and the constant is 1

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Below is the graph of y=b^x. Find b.

omeli [17]

Y = <span>b^x

when x = 1
y = b^1
y = b

Therefore, the value of b is the same as the value of y when x =1
From the graph,
When x = 1, y = 0.5
Therefore, b = 0.5

To confirm this

From the graph,

When x = -1, y = 2
Since </span>y = b^x<span>
2 = </span>b^-1
2 = 1/b
2b = 1
b = 0.5

When x = -2, y = 4
Since y = b^x
4 = b^-2
4 = 1/(b^2)
b^2 = 1/4
b = √(1/4)
b = 1/2
b = 0.5

Therefore, it is conformed that b = 0.5

5 0

2 years ago

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Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

irakobra [83]

Hm, it seems like his answer is off. The image is what I got.