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Mekhanik [1.2K]
2 years ago
11

If f(x) = x2 + x - 8, find f(-3).

Mathematics
1 answer:
dalvyx [7]2 years ago
5 0

Answer:

-17

Step-by-step explanation:

it's telling you to replace x with -3.

You have to replace all the x's with -3.

(-3)2 + (-3) - 8 = -17

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A small company can produce up to 200 handmade sandals a month. The monthly cost, C, of producing x sandals is C(x) = 1000 + 5x.
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3 0
3 years ago
What’s this question
shusha [124]

Multiply the first equation by -1

-3x-y=-4

2x+y=5

Add them up

-x=1

So x=-1

And y=7

So the first option is correct

8 0
3 years ago
During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 4
Paul [167]

Answer:

11

Step-by-step explanation:

8 0
2 years ago
Which techniques can be used to evaluate the expression 12.75/<br><br> 1.5
sergeinik [125]

Answer:

8.5

Step-by-step explanation:

Given the expression 12.75/1.5. The technique in solving the division expression is as shown

First we can write the decimals as fraction as shown;

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1.5 = 15/10

12.75/1.5 = (1275/100)÷(15/10)

12.75/1.5 = 1275/100×10/15

12.75/1.5 = 1275/10 × 1/15

12.75/1.5 = 1275/150

12.75/1.5 = 8.5

Hence the result of the division is 8.5

6 0
3 years ago
Determine whether or not the vector field is conservative. if it is conservative, find a function f such that f = ∇f. (if the ve
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A conservative vector field \mathbf f has curl \nabla\times\mathbf f=\mathbf0. In this case,

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so the vector field is not conservative.
3 0
3 years ago
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