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# Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x2 + 4x + 7.

{–1.14, 0.57} {-8, 4} {–0.50, –0.88} {–0.72, 1.22}

# two word problems

1)A car company charges \$31 per day to rent a particular type of car and \$0.16 per mile. Juan is charged \$47.96 for a one day rental. How many mile did he drive? a)121mi b)106mi c)300mi d)269mi   2)...

# solution of the equation

Determine the nature of the solutions of the equation: 5x^2-6x=-9   a)Two real solutions b) No solutions c)One real solution d)two solutions with imaginary parts ...

# Graph f(x)

How can the graph f(x)=0.3|x-6|+7 be obtained from the graph of y=|x|?   a) Shift it horizontally 3 units to the left. Shrink it vertically by a factory of 0.6. Shift it 7 units upward b)...

# word problem library

The number o books in a small library increase according to the function B=6,700e0.03t, where t is the measure of years. How many books will the library have after 2 year(s)?   a) 7,693 b)...

# What would be a line that is perpendicular to y=x?

I thought it y=-x+6 but don't no how to work it out

# Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help!

# Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class. Thanks for the help!

# Word Problem

A solution is 10% citric acid. if 3 liters of a 20% citric acid solution are added to it, the result is a solution this is in a ratio of 13 parts citric acid to 102 parts "other than citric acid"...

# Find all solutions in the interval [0,2pi): tan^2x+(sqrt3 - 1)tanx-sqrt3 = 0

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Find all solutions in the interval [0,2pi): sin2x=cosx

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Find all solutions in the interval [0,2pi): sin2x=cosx

This is for my trig class. Thanks for the help!

# Find all solutions in the interval [0,2pi): tan^2x + (sqrt3-1)tanx-sqrt3 = 0

This is for my trig class. Thanks for the help!

# Find all solutions in the interval [0,2pi): 4sin^2x=1

This is for my trig class. Thanks for the help!

# find the solution to the following equation

a)log2(log3x)=4 b)ln(x-1)+ln(+2)=1