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2 years ago

F(x)=3x-3g(x) 3x^3+5Find F(-3) and g(-2)

Mathematics

2 answers:

sergij07 [2.7K]2 years ago

8 0

Answer:

f(-3) = -12

g(-2) = -19

Step-by-step explanation:

f(x) = 3x - 3

One is asked to find (f(-3)), substitute (-3) into the given function (f) in place of (-3), and solve to evaluate,

f(-3) = 3(-3) - 3

Simplify,

= -9 - 3

= -12

g(x) = $3x^3+5$

The problem asks one to find (g(-2)), subtitute (-2) into the function in place of (x) and solve to find tis value,

g(-2) = $3(-2)^3+5\\$

Remember any number raised to an exponent is equal to the base (the number that is being raised to the exponent) times itself the number of times that the exponent indicates,

$=3(-8)+5\\=-24+5\\=-19$

astra-53 [7]2 years ago

4 0

Answer:

f(-3) = -12

g(-2) = -19

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Functions
Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 3x - 3

g(x) = 3x³ + 5

f(-3) is x = -3 for function f(x)

g(-2) is x = -2 for function g(x)

Step 2: Evaluate

f(-3)

Substitute in x [Function f(x)]: f(-3) = 3(-3) - 3
Multiply: f(-3) = -9 - 3
Subtract: f(-3) = -12

g(-2)

Substitute in x [Function g(x)]: g(-2) = 3(-2)³ + 5
Exponents: g(-2) = 3(-8) + 5
Multiply: g(-2) = -24 + 5
Add: g(-2) = -19

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sveta [45]

Answer:

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Step-by-step explanation:

Given as :

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Let The number of boys participated in quiz = b

Let The number of girls participate in quiz = g

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Total number of students took quiz = number of boys participated in quiz + number of girls participated in quiz

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Now, Solving equation A and B

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I.e (80 b - 70 b) + (70 g - 70 g) = 7600 - 7000

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i.e b = 60

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Answer:

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