3 years ago

Can you tell me which one plz ?

Mathematics

1 answer:

Andreas93 [3]3 years ago

7 0

Just saying you have a 25% chance of getting it right if you guess

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Let g(x)= 2x and h(x)= x^2+4 evaluate (h•g)(-5)

Nataliya [291]

Answer:

Okay! What is your question? I have the evaluate part.

Please hold while I validate your prescription.

Step-by-step explanation:

3 0

4 years ago

The manufacturer of a CD player has found that the revenue R (in dollars) is R(p)= -4p2+1200p, when the unit price is p dollars.

qaws [65]

Answer: 9000$

Step-by-step explanation:

Let 's use the formula to find the vertex of the parabola:

ax²+bx+c=0

$\displaystyle x_v=-\frac{b}{2a} \\\\ Where :\\\\ y_v- maximum \ \ income \\\\ y_v=a(x_v)^2+bx_v+c \\\\ Then \ in \ \ our \ \ case : \\\\ -4p^2+1200p =0 \\\\ x_v=-\frac{1200}{-4\cdot 2} =150 \\\\ y_v=-4\cdot (150)^2+150\cdot 1200 \\\\ y_v=150\cdot 1200-150\cdot 600 \\\\ y_v=600\cdot 150=\bf 9000 \$