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Murrr4er [49]
2 years ago
11

1.8.3 practice - functions11. Find f(2) and f(a+h) when f(x) = 3x^2 + 2x + 4.​

Mathematics
1 answer:
drek231 [11]2 years ago
3 0
The answer is f(2) = 20

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ella [17]

Answer:

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7 0
2 years ago
Find an expression equivalent to 1-sinx ^2/1-cosx ^2
madam [21]

Answer:

cot²x

Step-by-step explanation:

Using the identity

sin²x + cos²x = 1, then

1 - sin²x = cos²x

1 - cos²x = sin²x

Thus

\frac{1-sin^2x}{1-cos^2x} = \frac{cos^2x}{sin^2x} = cot²x

8 0
3 years ago
PLS HELP Leo is looking at two different savings plans. The first plan requires an initial deposit of $500 and grows at an annua
White raven [17]

Answer:

First and Second option choices

Step-by-step Explanation:

1st case:

Initial deposit (P) = 500

Annual interest rate (r) = 2.5%

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y = 500(1+2.5/100)×

y = 500(1+0.025)×

y = 500(1.025)×

2nd case:

Initial deposit (P) = 400

Annual interest rate (r) = 2%

Account balance after x years, y = P(1+r/100)×

y = 400(1+2/100)×

y = 400(1+0.02)×

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8 0
3 years ago
Which coordnates represent a point on the graph of 3y = 5x - 13?
Elena L [17]
(x,y)
sub given points and see if true

A, (0,-13)
x=0
y=-13
3(-13)=5(0)-13
-39=0-13
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false (other user was just guessing)

B. (3,1)
x=3,
y=1
3(1)=5(3)-13
3=15-13
3=2
false

C. (7,7)
x=7
y=7
3(7)=5(7)-13
21=35-13
21=22
false

D. (-6,-1)
3(-1)=5(-6)-13
-3=-30-13
-3=-43
false

answer is none of them

3 0
3 years ago
Let f(x) = -4x + 7 and g(x) = 2x - 6. <br> Find (fºg)(1).<br><br> A 23<br> B 0<br> C 3<br> D -4
Anit [1.1K]

Answer:

I will get the function of g (x) and plug it on X in the function of f ( x ) and then later substitute X with 1

3 0
2 years ago
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