PLEASE HELP I ONLY HAVE 3 MINUTES NOW 1. Find f(3).

f(x) = x^2 + 5x - 9
A) 7
B) 10
C) 9
D) 15

2.
If f(x) = -x^3 + 2x^2- 3, find f(2).
A) -19
B) -3
C) -1
D) 5

1. D) 15

2. B) -3

Step-by-step explanation:

I can't provide you with the step by step explanation within 3 minutes but I guarantee you that these are the right answers.

1 = 15

2 = -3

Step-by-step explanation:

I used my scientific calculator for answers

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

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step-by-step explanation: