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Andrei [34K]
3 years ago
9

Let f(x) = 5x ^ 2 - x + 1 and g(x) = - 3x . Evaluate the composition (fg)(1)

Mathematics
2 answers:
ANEK [815]3 years ago
8 0

9514 1404 393

Answer:

  -15

Step-by-step explanation:

(fg)(1) = f(1)×g(1) = (5×1² -1 +1)×(-3·1) = (5)×(-3)

(fg)(1) = -15

nlexa [21]3 years ago
5 0
F(x) = 5(-3x) ^2 - (-3x) + 1
f(x) = -8x ^2 + 3x + 1
f(x) = -8x ^3 + 3x
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7 0
3 years ago
1) (b + a) = 4; use a = 1 and b = 3
Archy [21]

The equations will be solved by putting the values of the variables in the bracket.

<h3>How to calculate the values?</h3>

1. (b + a) = 4; use a = 1 and b = 3

( 1 + 3) = 4

2) c(b + b); use b = 1 and c = 5

5(1 + 1)

= 5 × 2 = 10

3) 4+ pm; use m = 4 and p =3

= 4 + (4 × 3)

= 4 + 12

= 16

4) 5+ pm; use m = 4 and p = 2

= 5 + (2 × 4)

= 5 + 8

= 13

5) m(p + 2); use m = 5 and p = 2

= 5(2 + 2)

= 5 × 4

= 20

6) h+j²; use h = 1 and j = 4

= 1 + 4²

= 17

7) y-(x - 5); use x = 5 and y = 6

= 6 - (5 - 5)

= 6 - 0

= 6

8) 4xy; use x = 5 and y = 2

= 4 × 5 × 2

= 40

9) n(p + 3); use n = 2 and p = 2

= 2(2 + 3)

= 10

10) y +x+x; use x = 3 and y=5

= 5 + 3 + 3

= 11

11) 6+ a-b; use a = 4 and b = 4

= 6 + 4 - 4

= 6

Learn more about equations on:

brainly.com/question/297832

#SPJ1

5 0
2 years ago
If 2x + 5= -25 and -3m-6=48 what is the product of x and m
Trava [24]
1.) <span>2x + 5= -25 
Subtract 5 from both sides
2x= -30
Divide 2 on both sides so that the only thing remaining on the left side is the variable x.
Final Answer: x= -15

2.) </span><span>-3m-6=48
Add 6 to both sides
-3m= 54
Divide -3 on both sides so that the only thing remaining on the left side is the variable m.
Final Answer: m= -18</span>
7 0
3 years ago
IPLEASE HELP I DONT UNDERSTAND
IgorLugansk [536]

Answer:

28.86

Step-by-step explanation:

It's the Pythagorean theorem just relearn it and you should be fine

8 0
2 years ago
Mateo is draining a pool at a rate of 1/8 of a gallon every 1/2 hour. If he continues to drain the pool , how much waters will b
11Alexandr11 [23.1K]
If he drains 1/8 of a gallon in 1/2, the amount he will drain in one hour is twice as much as 1/8.

Mateo will drain 2/8 (simplified: 1/4) of a gallon in one hour.
8 0
3 years ago
Read 2 more answers
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