Answer:
The answer to your question is below
Step-by-step explanation:
f(x) = 2x + 5
To solve letter a, just multiply each term of f(x) by 3 and subtract 2.
a) 3f(x) - 2 = 3(2x + 5) - 2
= 6x + 15 - 2
= 6x + 13
To f(x) subtract twice g(x)
b) f(x) - 2g(x) = 2x + 5 - 2(x² - 3x + 2)
= 2x + 5 - 2x² + 6x - 4
= -2x² + 8x + 1
Multiply 5 by each term of f(x) and divide it by g(x)
c)
=
Answer:
9x^8
Step-by-step explanation:
A perfect square is a number that has a whole number square rooth. Therefore we need to find two numbers 'a' and 'b' that satisfy the following equation:
3x^4 = sqrt(ax^b)
(3x^4)^2 = ax^b
9x^8 = ax^b
a=9 and b=8.
Therefore, the term 9x^8 is a perfect square of the root 3x^4.
1,3,7 are true. 5 is false.
Answer:
Step-by-step explanation:
Since, the radius of the balloon 4 days ago = 5,
⇒
Now, if the radius is decreased by 0.5 cm each day,
Then the current radius of the balloon = 5 - 4 × 0.5 = 5 - 2 = 3 cm,
⇒
Thus, the ratio of the current volume of the balloon to the volume of the balloon 4 days ago
⇒ Option A is correct.