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bezimeni [28]
3 years ago
9

F(x) = 4x + 7, g(x) = 3x^2 Find (f + g)(x)

Mathematics
1 answer:
kondor19780726 [428]3 years ago
3 0
For the functions f(x) = 4x + 7 and g(x) = -9x + 11, find f(g(0)). For the functions f(x) = 3x2 - 7 and g(x) = -3x2 + 4, find f(g(2)). (Do NOT put commas in large numbers.)
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7 0
2 years ago
SIMPLIFY the expression! Please!
Levart [38]

1+3^2 = 1+9 = 10

10/5 = 2

2-6+2 = -4+2

 answer is -2

5 0
3 years ago
Read 2 more answers
X-1.4=7.82<br><br> Show work
const2013 [10]
You want to isolate x.  To accomplish this, add 1.4 to both sides of your eqn.:

x = 7.82 + 1.4 = 9.22 (answer)
8 0
3 years ago
Suppose 6 of 15 students in a grade-school class develop influenza where 20 percent of grade-school students nationwide develope
Snowcat [4.5K]
I am not sure what the question is here. I can tell you how to find the percent of kids that developed influenza in that class. We can compare it to the 20% of students nationwide. There could many different questions that stem from the piece of information you gave.

To find the percent of kids that developed influenza in that class do 6÷15 which gives you
.4 and written as a percent would be 40%.

Please message me if you have any questions! Hope this helps!
6 0
3 years ago
Triangle ABC has a perimeter of 22cm.
Paha777 [63]
First let's find the length of the last side. We can do this by adding AB and BC together, then subtracting this amount from the perimeter of Triangle ABC, 22 cm.
ABC - (AB + BC) ⇒ 22cm - (8cm + 5cm)
                                    22cm - 13cm = 9cm

The hypotenuse is always the longest side of a triangle, so we know that the side we figured out is the hypotenuse. Now we can use the Pythagorean Theorem to see whether the triangle is a right triangle.

Pythagorean Theorem: a² + b² = c², where a and b are legs and c is the hypotenuse.
If a² + b² do equal c², then the triangle is a right triangle.

8² + 5² = 9²
64 + 25 = 81
89 > 81

The triangle is not a right triangle, but we know that it is obtuse since a and b together are longer than c.
4 0
3 years ago
Read 2 more answers
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