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3 years ago

For all functions of the form f(x) = ax2 + bx + c, which is true when b = 0?

2 answers:

Klio2033 [76]3 years ago

7 0

When b=0
f(x)=ax^2+c

test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false

answer is C

tatuchka [14]3 years ago

5 0

Answer:

Step-by-step explanation:

they guy answered it

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2 years ago

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2 years ago

A formula for finding SA, the surface area of a rectangular prism, is

goblinko [34]

Answer:

Option C.

Step-by-step explanation:

It is given that the surface area of a rectangular prism, is

$SA=2(ab+ac+bc)$

where a, b, and c represent the lengths of the edges of the prism.

We need to find the surface area of this prism if a = 12 inches, b = 6 inches, and c = 4 inches.

Substitute a=12, b=6 and c=4 in the above formula.

$SA=2((12)(6)+(12)(4)+(6)(4))$

$SA=2(72+48+24)$

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$SA=288$

The surface area of this prism is 288 sq.inches.

Therefore, the correct option is C.

5 0

2 years ago