Show Question 1 Find (f-g)(x). 2x + 4 Question 2 Write the equation of the line whose slope is -3/7 and y-intercept is -4; write the answer in slopeintercept form. y=(-3/7)x - 4 y=(3/7)x + 4 y=(7/3)x - 4 y=(-7/3)x + 4 Question 3 y varies directly as x and inversely as the square root of w; write the sentence as an equation. Question 4 Solve for x: (2x-7)(x+4)=0 {-7/2, 4} {7/2, -4} {5, 4} {7, 4} Question 5 Question 6 Using the compound interest formula n=4. $1346.86 $2917 $9094.94 $2484.78 Question 7 2 , find A when P=$1000, r=6%, t=5 years, and 7 39 -7 Question 8 If , then x= log(90-3) Question 9 If |x+2|=5, solve for x. {-3, 7} {3, -7} {3} {3, 7} Question 10 State the domain of Question 11 Multiply the complex numbers (3+2i)(3-2i) 5+0i 13+0i 13+12i 5+12i Question 12 Write in exponential form. Question 13 Write the equation of a line whose slope is -2 and passes through (-1,6). Write the answer in slopeintercept form. y= - 2x+11 y= - 2x+8 y= - 2x+4 y= 2x-8 Question 14 Find the vertex of: (-1, 17) (1, 5) (-1, -1) (1, -5) Question 15 Write in log form. Question 16 Find the y-intercept of the cubic f(x)=(x-2)(x+1)(x-3) (6, 0) (0, 6) (0, -6) (-6, 0) Question 17 If , find f(-2) 15 7 3 -4 Question 18 Solve for x: x=1/3 x=-1 x=3 x=-1/3 Question 19 Solve for x: 3(x-2) = - 4(x+8) + 10 -20/7 -36/7 -16/7 -4 Question 20 Given the following linear equations: 2x+3y=10 4x-6y=-28 Solve for (x,y) if there is a solution. (4,-1) no point; lines are parallel (-1,4) (0 ,4)