Answer:
-3.25
Step-by-step explanation:
Simply plug in a -1 for the x and a 4 for the y, and then use a calculator

will be linear if for any

and constants

, we have

Let

and

, and let

be any two scalars. Then

By definition of

, we have




Therefore

is a linear transformation.
ANSWER: a=12 b=15
Explanation: (look at work below)
4a + 1b = 63 (eq1)
5a + 3b = 105 (eq2)
-12a + -3b = -189 (subt. eq1 from eq2)
————————-
-7a = -84
a = 12
4(12) + 1b = 63 (plug in the a value)
48 + 1b = 63
b = 15
Answer:
D
Step-by-step explanation:
a,c,d are same but b is different.
Answer:
About more than half!
Step-by-step explanation: