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find f(-2) given f(x) = -3x - 5

graph by hand: y = -1/2x + 4

for babysitting, nicole charges a flat fee of $3, plus $5 per hour. write an equation for the cost, c, after h hours of babysitting. what do you think the slope and the y-intercept represent? how much money will she make if she baby-sits 5 hours?

Step-by-step explanation:

f(-2) given f(x) -3x -5

f(-2) = 1

graph by hand y= -1/2 x+ 4

y int = ( 0,4)

x int ( can be found if  y = o)

0 = -1/2 x +4

solve for x

x = 8 in coordinates ( 8,0)

join the x and y intercepts

[ graph is attached ]

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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answers

rauschg

rauschg · hand

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step-by-step explanation:

the answer is d

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