# math

posted by .

Given the funtion G(t) = t2 - 7t + 5, evaluate G(-1+h)-G(-1)/h

• math -

g(-1+h) = (-1+h)^2 - 7(-1+h) + 5
= 1 - 2h + h^2 + 7 - 7h + 5
= h^2 - 9h + 13

g(-1) = 1 + 7 + 5 = 13

( g(-1+h) - g(-1) )/h = (h^2 - 9h + 13 - 13)/h
= h - 9

## Similar Questions

1. ### math

what is the translation that maps the funtion f(x)= x squared - 1 onto the funtion g(x0= x squared + 1
2. ### algebra

Help me find the axis of symmetry of the given funtion. Y=x2-2x+4
3. ### math

i need some serious help with limits in pre-calc. here are a few questions that i really do not understand. 1. Evaluate: lim (3x^3-2x^2+5) x--> -1 2. Evaluate: lim [ln(4x+1) x-->2 3. Evaluate: lim[cos(pi x/3)] x-->2 4. Evaluate: …
4. ### Math

How would you tell if an equation is a funtion or not. I know that it has to have only one y-value for every x...but how do you identify this in an equation (rather than a graph) ie. y=1/2x-7 (how do i tell if this is a funtion or …
5. ### algebra1

Evaluate each funtion for the given input values: for f(x)=4x-3,find f(x)when x=3 so is it f(x)=4(3)-3 f(x)=12-3 f(x)=9?
6. ### math

can someone please help me with this question. Given the funtion f(x)= 3x-9 a. find the rate of change between the two stated values for x: 7 to 8 b. find the equation of a secant line containing the given points: (7,f(7)) and (8,f(8)) …
7. ### Calc

Evaluate the following indefinite integral integral of the funtion (x^3)/(x^2-49)dx
8. ### algebra

If the price from the sale of x-units is given by p=100x-x^2, the revenue funtion is given by
9. ### math

Could someone check these questions for me?
10. ### Math. Need help

1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 …

More Similar Questions