Question

1. What is the value of h(-6)? H(x)=4|x|-3
A. 27
B. -27 <---
C. -21
D. 21

2. Pick the relation that is a function.
{(-6,5),(-6,7),(0,9),(0,5)}
{(3,5)(3,7),(0,9),(-1,5)} <---
{(3,5),(-6,7),(0,9),(0,5)}
{(3,5),(-6,7),(0,9),(-1,5)}

3. What is the range of f(x) = |x| -6 ?
A. All real numbers greater than or equal to -6
B. All real numbers less than or equal to -6
C. All real numbers greater than or equal to 0 <--
D. All real numbers

4. Find f(-7) for f (x) = x^2 - 5
A. 44 <---
B. 54
C. 9
D. -54

5. Find (f-g) when f (x) = 1/4x + 7 and g (x) = 3x+2?

A. 29
B. 17

Answer 1

The last 2 answers are 13 & -17

Answer 2

welcome to openstudy!!!!

Answer 3

Thank you so much. & for the last question i was thinking it was 13 am i wrong ?

Answer 4

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