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Cerrena [4.2K]
3 years ago
13

Let f(x)= 2x-1, h(x)= -x+5 Find (f of h)(3) PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
4 0

Answer:

3

Step-by-step explanation:

Evaluate h(3) then substitute the value obtained into f(x)

h(3) = - 3 + 5 = 2, hence

f(2) = (2 × 2) - 1 = 4 - 1 = 3



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Solve the system of equations:<br> y = x + 2<br> y = x2 + 5x + 6<br> HELP PLZ
soldier1979 [14.2K]

Answer:

x=2(twice)

y=0(twice)

Step-by-step explanation:

This question can be solved using substitution method

So let's solve

y=x+2....(1)

y=x2+5x+6....(2)

Substitute (1) into(2)

X+2=x2+5x+6

Collect like terms

X2+5x-x+6-2=0

X2+4x+4=0

X2+2x+2x+4=0

X(x+2)+2(x+2)=0

(X+2)(x+2)=0

X+2=0

Substrate 2 from both sides

X=-2

X+2=0

X=-2

Let's substitute the value of x into (1)

y=x+2

y=-2+2

Y=0(twice)

6 0
3 years ago
3. List all the coefficients and constants
7nadin3 [17]
The coefficient is 4
The constants are 2 and 3
5 0
3 years ago
In the diagram shown, m 1= 50 and m2 = (2x-20)
stepladder [879]

Answer:

x = 35

Step-by-step explanation:

Since m1=m2 :

2x - 20 = 50 \\ 2x = 70 \\ x = 35

6 0
2 years ago
Anyone understand how to do both of these?
Evgen [1.6K]

for the first one set 3y+y=180 and y+x=180


the second one set w+y=180, 42+x=180, y+20=180, and 87+v

6 0
3 years ago
How to right a polynomial function with a degree of 7 and a leading coefficient of 3
tia_tia [17]

Answer:

Step-by-step explanation:

I assume you mean to write a polynomial function. I don't know how righting works.

The simplest one I can think of is

y = 3x⁷

4 0
2 years ago
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