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983000
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Answer:
f(g(3)) = 56
g(f(3)) = 25
Step-by-step explanation:
fog = f(2x+1)
f(2x+1) = (2x+1)^2 + 2x+1
(2x+1)^2 + 2x+1 = 4x^2+6x+2
f(g(x)) = 4x^2+6x+2
f(g(3)) = 4(3)^2+6(3)+2
f(g(3)) = 56
gof = g(x^2+x)
g(x^2+x) = 2(x^2+x)+1
2(x^2+x)+1 = 2x^2 + 2x + 1
g(f(x)) = 2x^2 + 2x + 1
g(f(3)) = 2(3)^2 + 2(3) + 1
g(f(3)) = 25
Y=kx is the direct variation formula. Inserting the information and variables from this scenario we get h = kn.
12 = k*(10) First solve for 'k', the constant of proportionality by dividing by 10.
1.2 = k
Next write the equation using this k and the h & n.
h = 1.2*n
Now we want to find the height if we have 24 books so plug 24 in for n.
h = 1.2 * 24
h = 28.8 inches
Answer:
The one on the top left
Step-by-step explanation:
What makes a function, a function is that the x coordinate (x,y), cannot be repeated in the tables. The y coordinate can though.
Answer:
1.1kg
Step-by-step explanation:
weight of fruit = 2kg
percentage of weight of fruit = 100%
percentage of weight of pineapple = 25%
weight of pineapple = 25/100 ×2
= 0.5kg
percentage of weight of bananas = 10%
weight of bananas = 10/100 × 2
= 0.2kg
weight of apples = weight of fruit - ( weight of pineapple + weight of bananas)
= 2kg -(0.5 + 0.2)kg
= 2kg -0.7kg
= 1.3kg
The weight of apples than bananas emma bought was =1.3kg-0.2kg
=1.1kg
therefore emma bought 1.1kg of apples than bananas.