2 years ago

Is y=2^x linear, exponential or neither

1 answer:

3 0

Answer:
exponential

Step-by-step explanation:
An exponential function is defined as a function with a positive constant other than 1 raised to a variable exponent. A function is evaluated by solving at a specific input value. An exponential model can be found when the growth rate and initial value are known.

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What’s the least common multiple of x^2-2x-15 and x^2+2x-3?

Ghella [55]

Answer:

$\large\boxed{LCM(x^2-2x-15,\ x^2+2x-3)=(x+3)(x-5)(x-1)}\\\boxed{=x^3-3x^2-13x+15}$

Step-by-step explanation:

$x^2-2x-15=x^2+3x-5x-15=x(x+3)-5(x+3)=(x+3)(x-5)\\\\\\x^2+2x-3=x^2+3x-1x-3=x(x+3)-1(x+3)=(x+3)(x-1)\\\\LCM(x^2-2x-15,\ x^2+2x-3)=(x+3)(x-5)(x-1)\\\\=(x^2-2x-15)(x-1)\qquad\text{use FOIL}\\\\=(x^2)(x)+(x^2)(-1)+(-2x)(x)+(-2x)(-1)+(-15)(x)+(-15)(-1)\\\\=x^3-x^2-2x^2+2x-15x+15\qquad\text{combine like terms}\\\\=x^3+(-x^2-2x^2)+(2x-15x)+15\\\\=x^3-3x^2-13x+15$

4 0

3 years ago

If y=9 when x=7 find y when x=2?

PilotLPTM [1.2K]

Is that all the information? it could literally be any number with only that.

3 0

3 years ago

Help me with this please.

riadik2000 [5.3K]

9514 1404 393

Answer:

x ≈ 9.8

Step-by-step explanation:

The relevant trig relation is ...

Tan = Opposite/Adjacent

Filling in the given values gives ...

tan(59°) = x/5.9

Multiplying by 5.9, we have ...

x = 5.9×tan(59°) ≈ 9.8

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3 years ago

35 miles by 7 miles find the area for the triangle

SCORPION-xisa [38]

Answer:

35 x 7 = 245

Step-by-step explanation:

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3 years ago

Aisha knit a total of 4 centimeters of scarf over 2 nights. After 9 nights of knitting, how many centimeters of scarf will Aisha

Luda [366]

Answer:

22 cm

step by step explanation:

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2 years ago