Answers edited by Hope It Helps

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• Given the function #f(r)=sqrt(r+1)-5#, what is f(-1)?
  
• How do you find the x-int, y-int and graph #f(x)= 2x^2 - 4x +1#?
  
• How do you write 4.2 as a percent?
  
• How do you solve #7n ^ { 2} + 3n - 2= 0#?
  
• How do you solve #log_2 (x) + log_2 (x+6) = 3#?
  
• Is sine, cosine, tangent functions odd or even?
  
• X is less than 6 and greater than or equal to -1 how do I write this?
  
• Let f(x) = x2 − 4 and g(x) = 4x − 3, how do you find (f − g)(−6)?
  
• In a survey of teens, 42% said their friends do not like others talking during class when they are working on an assignment because it is distracting. How many teens out of 1,095 teens are able to ignore distractions by others?
  
• The length of a leg of an isosceles right triangle is #5sqrt2# units. What is the length of the hypotenuse?
  
• How do you solve #8( 5w - 20) = 20+ 20w#?
  
• What is the lcd of 5,15,and 60?