Tuesday

September 16, 2014

September 16, 2014

Posted by **Nik** on Friday, September 16, 2011 at 12:49am.

f(x)= {x−2x2−4 if x<2

ax2−bx−18 if 2< or =x<3

10x−a+b if x> or =3

- calculus -
**bobpursley**, Friday, September 16, 2011 at 7:26amlook at 2

x^2-2x-4=ax^2-bx-18

4-4-4=4a-2b-18

2a-b=-18 check that.

at x=3

ax^2-bx-18=10x-a+b

9a-3b-18=30-a+b

10a-4b=48

Now you have two equations, two unknowns, solve.

**Answer this Question**

**Related Questions**

calculus HELP - Find the values of a and b that make f continuous everywhere. f(...

biology - Given the part of the molecule shown below, can the underlined atom ...

calculus - A function f(x) is said to have a removable discontinuity at x=a if: ...

Grade 12 Calculus - Evaluate each of the following. Show all your calculations...

calculus (gr 12) - Evaluate each of the following. Show all your calculations. a...

calculus (gr 12) - Evaluate each of the following. Show all your calculations. a...

calculus - Find an equation for the surface consisting of all points P(x, y, z) ...

math - Consider the following 6 relations on the set of real numbers: A) y=2x&#...

physics - Four charges −8 × 10^−9 C at (0 m, 0 m), −7 × 10^&#...

Calculus - A function f(x) is said to have a removable discontinuity at x=a if: ...