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MatroZZZ [7]
3 years ago
12

If the function f(x) = 4x^2 - x + 3, evaluate f(-2)

Mathematics
1 answer:
ira [324]3 years ago
5 0

Answer: 21

Step-by-step explanation: f(-2) = 4· (-2)²-(-2) + 3 = 4·4 +2 +3

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Kayla works for 7 hours at $10.25 per hour. How much does he earn?
Sphinxa [80]

Answer:

$71.75

Step-by-step explanation:

10.25 · 7 = 71.75

8 0
4 years ago
Marcus is running around a track that is 3/8 of a mile long. If he runs around the track 4 1/2 times, how many miles will he hav
zepelin [54]

Answer:

1 and 11/16 miles

Step-by-step explanation:

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3 0
3 years ago
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How do I do number 16?
PolarNik [594]

Answer:  x = 121 degrees

Step-by-step explanation:

(n-2) x 180

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8 0
3 years ago
What is the exponent in the expression?
vlabodo [156]

Answer:

The exponent is 5 because a exponent is what the number times itself like 3^2 is 9.

8 0
3 years ago
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I need help to this question pls
koban [17]

Answer:

<em>48 , 88 , 44</em>

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48° + x° + ( x - 44 )° = 180°

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x = 88°

m∠A = <em>48 </em>°

m∠B = <em>88 </em>°

m∠C = <em>44 </em>°

3 0
3 years ago
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