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3 years ago

Select each expression that is equivalent to 18x + 3

Mathematics

2 answers:

Rzqust [24]3 years ago

8 0

Answer:

B. 9(2x+1/3) is equivalent to 18x+3.

hope it helps .

<h3>Stay safe healthy and happy.</h3>

Nata [24]3 years ago

7 0

Answer:

Well it's definitely not D or E, so I did math and I'm almost positive that it's A.

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Evaluate f(x) = -4x + x2 + 16 for f(-4).

kipiarov [429]

Answer:

$f(-4)=48$

Step-by-step explanation:

<u>Value of functions</u>

To evaluate a function for a given value of x, we replace the x for the value and perform the resulting operations.

The given function is (corrected):

$f(x)=-4x+x^2+16$

We need to find f(-4), so we use x=-4:

$f(-4)=-4*(-4)+(-4)^2+16$

$f(-4)=16+16+16$

$\boxed{f(-4)=48}$

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