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zysi [14]

3 years ago

e of f(x)=2x+3" alt="what is the inverse of f(x)=2x+3" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

Keith_Richards [23]3 years ago

5 0

5.3x is the answer because 5x1 .3

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In y=x+b,what is the slope<br>and how you know

lys-0071 [83]

Answer:

Y=kx+b

K is the slope

I'm smart

3 0

3 years ago

What is the domain and range of the function f(x) = x^2 -4x-5?

Tems11 [23]

F(x) = x²-4x-5, quadratic function,
Domain (the values if x) is all real numbers.

To find range we should draw a graph or to write an equation in vertex form.
f(x) = x²-4x+4-4-5
f(x) = (x-2)²-9
Point (-2,-9) is the vertex of the parabola, and it is a minimum because a parabola has positive sign in front of x², so it is looking up. Minimum value of y =-9
Range(the values of y) is [-9, ∞)

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3 years ago

What is the mass of a 15cm cube of lron if density of iron is 78grams/cm

amm1812

Answer:

M = 1170 g

Step-by-step explanation:

Mass = density × volume

M = p x v

M = 78 x 15

M = 1170 g

3 0